Sister's Lost Bet - Incest/Taboo -

A sibling rivalry changes after a lost bet,

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My name is Will and I'm nineteen years old living at home with my parents and younger sister, Brooke who is eighteen. My older brother Kyle is going to college out of town and isn't coming home. He is living off-campus and has a job and a girlfriend. Meanwhile, I'm stuck at home while going to our local community college because I was stubborn and would rather have partied in high school than focus on my grades and I'm now paying the price.

Growing up, Kyle seemed to be the favorite because he was good-looking, smart, and athletic. He got a full scholarship to a university out of state and my parents weren't shy about showing how proud they were of him. I was an average student at best, only played junior varsity sports, and could never live up to the standards that Kyle set. I always wanted to be like him but it just wasn't meant to be. My sister Brooke was the youngest and only girl who got a lot of attention from our parents. They babied her and she knew how to work her status to her benefit.

It seemed like Brooke was always trying to get me in trouble, maybe because I was an easy target. She squealed on me whenever I was trying to hide things I'd done from my parents and if we got into an argument, all she had to do was start her fake crying and I'd get yelled at. Things got worse as we became teens. We were both going through hormonal changes and I got into a lot of trouble even without Brooke snitching on me.

She is a September baby, so she spent most of her senior year of high school as an eighteen-year-old. Brooke was a late bloomer and her body seemed to suddenly change once she turned legal age. Maybe the changes happened slowly but one day when she was wearing a tight t-shirt, it seemed like her boobs got bigger. Her butt looked like it was more shapely and filled out her shorts. Brooke was still a bitch to me so some things didn't change.

Brooke was always sensitive about her body, which I imagine most girls are, so I would always try to tease her. Looking back, I probably should have been more aware of a teenage girl's body image issues, but I was a teenager myself in a bitter sibling rivalry. I would ask her if she was stuffing her bra and tell her that her ass looked big. In reality, she was a pretty girl with light brown hair and eyes and a little taller than an average girl her age.

I knew I got under my sister's skin when she would yell at me, "Fuck off, Will. Kiss my ass."

I'd respond by telling her to, "Whip it out," or if I was really mad, I'd tell her to, "Suck my dick."

Sometimes she would yell out, "Mom, Will told me to suck his dick again."

It didn't matter that she told me to kiss her ass or to fuck off, I'd still be the one to get yelled at.

"That's disgusting, Will. Stop picking on your little sister," was a phrase I was very familiar with hearing.

Brooke would give me one of her fucking grins that told me, "Ha, ha, I got you in trouble."

It was even worse if she got the fake tears rolling down her cheek. I don't know how she taught herself to do that but it worked and she wasn't afraid to play that card just to get me in trouble.

In between our fights, I was noticing the change in Brooke's body. She seemed to be proud of her new womanly figure and wasn't shy about dressing in tight tops, short skirts, and body-hugging shorts. My father wasn't happy about the way she dressed but our mom kept telling him that's how girls dress nowadays so he stopped protesting. He'd make a random comment or two if she was going out but he knew he wasn't going to win that fight.

Even though Brooke and I didn't get along, it didn't stop me from sneaking peeks at her tits or ass. When she was around the house late at night or early in the morning, she wouldn't wear a bra so I'd get to check out those beauties, especially if her brown areola and nipples were visible underneath her top. Sometimes she would wear a long t-shirt that barely came below her butt so I got plenty of looks at her panty-covered ass. On rare occasions, Brooke would be sitting on the sofa late at night with her legs curled up but I could see up her nightshirt and see her dark bush through her panties. I knew it was wrong to be looking at my sister like that but I was also a horny, curious teenager myself.

Horny teen boys have no control over their hard-ons. Sometimes it just happens for no reason.

There were times when I would have to hide my hardon with a throw pillow from the sofa when Brooke was wearing something, particularly revealing. I'd chastise myself but I couldn't help it. In the mornings when we were getting ready for school, Brooke wasn't shy about going to the bathroom and back to her room wearing only her bra and panties. She must have known I was looking at her but she never said anything so I kept looking. If Brooke was wearing a lace bra, I'd be able to see through the sheer material to view her nipples. I always got a great view of her ass, especially if she was wearing a thong. As much as I'd admonish myself for checking out my sister, I couldn't help it. On more than one occasion, I'd rub one out after seeing my sister half-naked.

My sister's breasts had grown to be round and full, her legs long and lean and her ass had such a nice little wiggle to it. It was hypnotizing how her glutes would alternately tighten and loosen as she walked. Her waist had that nice hourglass figure. Brooke was decent looking too with her brown hair and eyes.

Even my friends began to notice my sister's changing figure and they would tell me how hot she was looking. She seemed to notice them checking her out and always made sure to come into the room where my friends and I were hanging out. My friends would stop talking and watch Brooke until I told her to leave.

She began to date more, even going out with some college guys, so I figured she was sexually active too. There were times when Brooke would come home late at night with her clothes disheveled and her hair mussed so I figured she probably just fucked her date in a backseat.

Our parents decided to take a cruise with their friends in the spring and they'd be gone for more than a week, which meant Brooke and I would be alone in the house. They thought about bringing in our aunt to stay with us but for once, Brooke and I were united in our protests but only after promising that we wouldn't fight while they were gone. They were looking at me when they said we could only have one friend over at a time and sternly warned us against having any parties. That first night, a Saturday, Brooke brought a male friend over and spent a considerable amount of time in her bedroom. I was lucky enough to get a girl I knew at college to come over and I got laid too. It was a great way to start our vacation from our parents. What made it even better was the fact that we both had dirt on each other so we couldn't snitch.

Sunday was pretty quiet as both of us spent time during the day with friends then ordered a pizza and washed it down with some of our father's beers. Later that evening we decided to have a couple more beers and watch a movie together. I told Brooke she could pick the movie because I wanted the big screen TV for the championship NCAA basketball game Monday night. Surprisingly, she didn't give me a hard time. Maybe we would get along better if we weren't competing for our parent's attention.

Halfway through the movie, Brooke put it on pause so she could change and go to the bathroom. I took the opportunity to change into a pair of sweatpants and a t-shirt. When Brooke came back she was wearing a short red satin chemise that barely covered her ass. Although it wasn't see-through, her hard nipples were poking through the top. Her breasts had a noticeable jiggle when she walked. My uncontrollable dick started to get hard as I sat next to her with her bare legs and feet only inches away from me. I could see the outline of her breasts from the side and saw plenty of cleavages when she leaned over.

I tried not to stare and got nervous when Brooke asked, "What's wrong?"

"Nothing. Why'd you ask?"

"You keep staring at me."

"No, I'm not."

I chastised myself, reminding the horny devil inside of me to be more discreet but I couldn't help myself. When Brooke went into the kitchen to get us a couple of beers, I took the opportunity to put a throw pillow over my lap to hide my erection. When she came back, she leaned over to put my beer on the coffee table, giving me a nice look down her chemise at her tantalizing tits. Brooke walked around the table and suddenly tried pulling the pillow away from my lap. We got into a playful tug of war over the pillow. I could see Brooke's tits bouncing around under her lingerie, almost popping out. The bottom raised, revealing her thong underneath as we wrestled for the pillow, her bare legs moving and kicking around.

We were both laughing as we struggled but even though I'm stronger than Brooke, she somehow was able to pull the pillow away from me. She looked at the lump in my pants, pointed at my erection, and giggled. Words cannot describe how embarrassed I was but it all seemed worth it to see Brooke's body exposed when we fought for the pillow. I could feel my face get flush as she was giggling.

Brooke was laughing when she said, "Look at you, you pervert. Did you get hard looking at me?"

"Shut the fuck up, Brooke. I got hard watching the movie. I like the love scene and things just happened."

"You're full of shit. Kiss my ass, Will."

"Suck my dick, Brooke."

"Oh, I bet you'd like that wouldn't you, Will?"

I sat there and pouted for a while as Brooke teased me a little more but she finally eased up and told me everything was fine. She promised to stop teasing me and then laughed because we both knew she was lying. I started to laugh too but stuck to my story that it was the movie that got me excited but we both knew that was a fib.

After that, Brooke seemed to go out of her way to tease me with that luscious body of hers. When she'd go to the bathroom there seemed to be more wiggle in her walk or when she went to get more beer, she'd lean over and pause for a few moments to see if I was looking at her tits. As hard as I tried not to stare, my teenage hormones wouldn't allow me to look away. Brooke dropped an empty can of beer on the floor and casually bent at the waist to pick it up. The back of her chemise rose above her ass, exposing her tight cheeks. Brooke looked over her shoulder to see if I was looking and gave me a grin. Part of me felt guilty for staring at my sister like that but most of me wanted to fuck her. I knew it was wrong but I couldn't control my horniness or my dirty mind.

Before we went to bed, Brooke leaned over to kiss me on the cheek and wish me pleasant dreams. I stole a peek at her tits as she bent over. I watched her walk sexily out of the room. I waited several minutes before I went to bed because I still had an erection and didn't want to further embarrass myself by letting Brooke see me. As I was passing her room on the way to mine, I thought I could hear soft moans coming from behind her door.

I was thinking, "That fucking bitch is masturbating."

I knew I was going to jerk off or I'd never be able to sleep but I never imagined Brooke would be doing the same. I felt no guilt as I fantasized about what I had hoped to do to my sister. I wanted to touch those ripe, tender tits, and suck on those hard nipples. I wanted to nibble on her ass cheeks and run my hands up and down her soft legs, even suck on her toes before I ate her sweet, young pussy. Of course, I wanted to feel her lips on my cock and slide it into her pussy. I wanted to hear her beg for my cock as I shot my load deep into her.

I ended up shooting a big load onto my stomach as I dreamed of doing some naughty things to my very own younger sister. I cleaned myself up before I went to sleep. I still couldn't get Brooke out of my mind as I had vivid dreams of fucking her time and again. I woke up with another hard-on but a cold shower temporarily took care of that.

Brooke was already in the kitchen still dressed in her red chemise when I went down to grab a quick bite to eat. My eyes kept glancing over at her as she moved around the kitchen. I tried not to stare so I didn't get hard again. She seemed to try not to lean or bend over as much which I appreciated but she still look sexy in her satin nightie, her bare legs exposed up to her thighs and her tits bouncing underneath as she moved. We didn't say too much as we were both in a hurry to get to school. I still had the urge to fuck her though.

We both had a half-day of classes that Monday seeing she was a senior and I had back-to-back classes until early afternoon. Brooke wasn't home when I got there so I decided to rub out a quick one while I had the house to myself. Brooke still dominated my thoughts as I stroked myself even though I tried not to think of her. Okay, I didn't try very hard.

Brooke didn't come home until dinner time and we ordered Chinese food because we didn't feel like cooking. We were watching TV and the basketball game dominated the sports channel I was watching. My sister was never into sports so I indulged her naive questions. We were getting along and I could easily put up with explaining why this game was so important. I explained how the one team wasn't expected to be there and the team I wanted to win was the favorite.

Just before tip-off, Brooke told me, "I like the team in the blue uniforms. I'll bet they win."

"That's just like a girl, picking a team based on the color of their uniforms."

"I'll even bet they're going to win, Will."

"Sure, what do you want to bet?"

Brooke said, "Whoever loses has to cook dinner for the rest of the week."

"Shit, that's easy. It's a bet. Should I give you my choices now or wait until later?"

We shook hands and the game started. The game began with my team taking an early lead, then hers made a comeback. We were both talking shit until towards the end of the first half, Brooke's team took a dominating lead and my team seemed to fall apart. My team seemed to be playing tight and nervous and I explained to Brooke that momentum could change quickly so she shouldn't brag too much. That didn't stop her from teasing me. My team was playing so horrible, I was even getting a little annoyed with my sister. She picked her team because of the color of their uniforms. I followed college basketball all season but she was still winning and she wasn't shy about letting me know either.

At the end of the first half, my team was down by fifteen points. No team had ever come back from that much of a deficit in the championship game in the history of the Final Four. I was starting to think of what I'd be cooking for dinner all week but I didn't let her know that. Brooke was relentless in her taunts which was making me angry and she knew it. During halftime, we were arguing with me telling her my team still had a chance even though I knew it wasn't likely.

Brooke then said, "Well, if you think your team is going to win, let's add to our bet."

I was reluctant to get any deeper into owing my sister but my pride made me say, "Okay, what do you want to bet?"

She thought about it for a minute, then got a grin on her face and said, "If I win, you have to kiss my ass."

That actually didn't bother me too much because she had such a nice ass so I quickly agreed and she then asked, "What do you want if you win?"

"If I win then you have to suck my dick."

Brooke looked a bit rattled by my suggestion, then thought about it and replied, "I'm not going to lose so it's a deal. No team has ever come back from being this far behind so it's a pretty safe bet. Be prepared to kiss my ass."

"Be prepared to suck my dick, Brooke"

"Fat chance of that happening."

We shook hands again and I figured I was in a win, win situation. If I lost I got to touch and kiss my sister's perfect ass. If I won, I was going to get a blow job. At halftime, Brooke changed into one of her nightshirts that left me checking out her tits, long legs and the occasional peek at her panties. She taunted me a couple of times by lifting her nightshirt to moon me and show me the ass I'd be kissing later. Part of me wanted to lose.

As soon as the second half started, my team began a slow comeback until they took the lead with about ten minutes left in the game and I looked over at Brooke with a big grin. She wasn't looking so confident anymore and certainly wasn't talking smack. It was my turn to taunt her which felt fantastic. Even if I lost, at least I shut her up for a little while and caused her some anxiety.

It was a close game the rest of the way and my team took a three-point lead with less than one minute left. In the remaining time, Brooke's team missed three three-point shots as my team won the NCAA championship. I was cheering and screaming while Brooke looked like she'd seen a ghost.

I could tell she was pissed off and said, "Fuck it, I'm going to bed. I'll see you tomorrow."

"Whoa now, sis. You have to settle our little bet first."

"Come on, you've got to be shitting me. Do you really think I'm going to suck your dick?"

"Well Brooke, a bet is a bet. It's time to pay up."

My sister looked at me frozen in place while I gave my dick and balls a tug through my shorts. I know she was hoping to find out I was only joking but she's been a pain in my ass since we were little and there was no way I was letting her off the hook now.

"Can't we work something else out, Will? I'll cook dinner all week."

"You're doing that anyway, sis. Come on, get down on your knees and pay your debt. We shook hands on it. Let me ask you a question. If you won would you still have made me kiss your ass?"

"Well, yeah, probably."

"Well then, get on your knees, sis."

I slipped off my shorts revealing my already erect cock and sat on the edge of the sofa. Brooke reluctantly got down on her knees in front of me. I knew she was hoping I was going to let her out of the bet but there was no fucking way that was going to happen. I felt a little guilty for making her blow me but she would never have shown me any mercy.

Brooke was kneeling before me staring at my cock and I told her, "You should take off your shirt too."

"Fuck you, Will. That wasn't part of the deal."

"I know, but it will make me cum faster."

Brooke thought about it for a moment then said, "Alright, you fucking pervert."

As her luscious breasts came into view she asked, "There, are you happy now."

I started to fondle her tits and tug on her nipples and said, "Yeah, really happy," as my cock began to swell even more.

Brooke took my cock in her hand and began to stroke it and said, "You suck, Will."

I laughed out loud and told her, "Uh, no Brooke, you suck."

She couldn't help but laugh too then tucked her hair behind her ear and lowered her head. She paused when my dick was millimeters from her lips. I could feel my sister's warm breath on the head of my cock. The anticipation was killing me until finally, Brooke opened her mouth, stuck out her tongue, and took me deep into her throat. I felt her lips close around me as her head began to bob in my lap. Fuck, her lips felt so good and it got even better when I felt her tongue swirl around my shaft and then around the head. I continued to play with my sister's soft, tender titties while she sucked my dick.

I never told Brooke that I jacked off earlier that day so it might take me longer to cum but that only meant that I was able to enjoy her cocksucking even longer. I knew my little sister was sexually active but I never would have guessed that she would have been such a good cocksucker. This was one of the better if not the best blow job I'd ever had. I even held her head still and fucked her precious lips for a while before I let her take control again. My little sister knew just how much to stroke my dick with her hand while using her lips and tongue. It's too bad I would never be able to brag to my friends about the great blow job I got from my sister. I thought Brooke would be frustrated with how long it was taking me to cum but she also seemed to be enjoying blowing me.

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As they say, all good things must come to an end as I felt my balls about to explode from the expert blow job I was receiving from Brooke. I tried to hold out as long as I could but I only have so much self-control. When I was about to cum, I grabbed hold of Brooke's head as she bobbed faster in my lap. I lunged upwards shoving more of my dick into her mouth and began to shoot wad after wad deep into her throat. Brooke never missed a beat, swallowing it all as I kept shooting my cum into her mouth. When I was done, Brooke lifted her head from my cock, squeezed my shaft forcing more droplets of cum out of me, and licked them off the tip of my dick. When Brooke lifted her head from my lap, her face was flush and her nipples were hard.

My sister looked like she was turned on and for some reason, I blurted out, "Do you want me to do you now?"

I don't know what I was thinking. The problem was my dick was doing my thinking. I wanted to retract my question but it was too late. Brooke probably thought I was an even bigger pervert now. She was just staring at me and I got even more embarrassed. Without saying a word, Brooke stood up and peeled off her thong. Her pussy hair is neatly trimmed and her lips were visible. She laid back on the sofa, spread her legs, and motioned me to come to her with her index finger.

I ran my hands up and down her long, lean legs, up her torso to her breasts. I stripped off my t-shirt and then began to suck on her tits. Brooke pulled my head into her chest as I nibbled on her breasts. I worked my way down her body and then down her legs. I lifted her foot to my mouth to suck on her tender toes as I rubbed her lower leg. I switched legs and sucked on the toes of her other foot before kissing my way back up her other leg. I wanted to keep teasing her further so I had her turn over so I could sink my fingers into her soft ass. I leaned forward to kiss her cheeks.

"There. You've been telling me to kiss your ass for years but you never knew how much I really wanted to do it."

"Umm, don't stop now."

Brooke didn't have to tell me twice, so I began to nuzzle and nibble on her cute, sassy cheeks. I rubbed my face into the crack of her ass while kissing and licking her. When Brooke lifted her hips, her cheeks parted and exposed her asshole. I wondered if she wanted me to lick it but I wasn't sure. Regardless, I had a sudden urge to touch her puckered hole with my tongue so I swiped across it only to hear tender moans coming from my sister so I did it again. When she moaned louder and wiggled her hips, I dove in deep and began to lick her ass while she squirmed on the sofa. I tongued her ass for a few minutes but I wanted to taste her sweet pussy so I turned her over again.

Brooke instinctively spread her legs for me and I began to finger fuck her and found her pussy dripping wet. I pushed her knees back towards her body and began to give her pussy lips long, wide licks with my tongue then stuck my tongue in deep. My sister tasted divine and I began to fuck her with my tongue as she moaned and held my head tight. When I began to work on her clit, I replaced my tongue with one finger then two. Brooke was squirming to my tongue lashing, squirting her juices into my mouth as she came. I think she expected me to stop but I was enjoying eating my sister's pussy too much to stop until she came again.

By that time, I was hard again and my attention was fixated on my naked sister laying on the sofa with her legs spread before me. I never said a word and Brooke never objected as I moved up between her legs and pressed my dick against her pussy. I paused, giving her a chance to object. Okay, it was a short pause but I still waited for a split second. I slowly slid my cock into my sister knowing full well it was wrong but we were both too horny to stop. I felt the warmth of her pussy, as well as the way its tightness gripped my dick; I was in Heaven. When I was fully embedded in her, I began to move my hips, slowly at first, but gradually picking up the pace until I was fucking her hard. Brooke wrapped her legs around my waist and was lifting her hips to meet my thrusts. Her tits were flopping back and forth as I fucked her hard.

"Oh god, Will, that feels so good. Oh, fuck me, Will."

"Your pussy is so tight, Brooke. You're so hot."

I had already cum twice that day and I started to slow down on my thrusts so Brooke told me she wanted to get on top. My sister squatted over me, aimed my cock at her pussy and sat down on it, and began to ride me. Her tits bounced as she fucked me fast, groaning and moaning. My sister loved having a cock in her and I loved having my cock in her pussy. It was wrong, nasty, naughty, taboo, and possibly perverted but it felt so damn good. When Brooke began to tire, she got on all fours so I could fuck her from behind.

Brooke has a beautiful ass and it looked even better bent over as she offered her pussy to me. I slid myself into her and began to fuck her so hard, that our skin was slapping together. I began to slap her ass which seemed to make her even hotter. I grabbed a handful of her hair, tugging on it, and sinking my fingers into her ass while I fucked her.

When I felt my orgasm approaching, I released her hair and held on tight to her ass cheeks, lunged forward, and shot my load deep into her. I pulled back a little then pushed forward again several times until my balls were drained dry. I fell onto her back while catching my breath before I withdrew. My hot sister turned around to clean up my messy dick until it softened in her mouth.

We both finished our beers and then I think the reality of what we did had sunk in and we went to bed in our separate rooms. It was only then that I felt a twinge of guilt, wondering what the fuck just happened. I couldn't believe my sister and I just sucked and fucked each other. I was partially ashamed but then I realized what a great piece of ass my little sister is. I didn't remember ever having a better time having sex. Everything that happened seemed to be a natural progression to an ultimate climax. I knew it was wrong to fuck my sister but it also felt so damn good too.

I had a light schedule of classes the next day so I slept in. I was relieved that Brooke had gone to school by the time I got up. I honestly didn't know what to make of what happened between us the night before and I was glad I had time to sort things out in my own mind before I had to face my little sister again. The more I thought about what happened between us, the more I tried to convince myself that it was okay that I fucked my sister. I mean, we were both consenting adults who were horny and mutually decided to let off a little sexual steam. There was that bet we had going on and I guess I didn't have to make her pay her debt but there was nothing I could have done if she refused either. Shit, it was just a blow job, no big deal. Okay, it turned into more than that but she wanted it too so it wasn't all my fault. She was riding my dick so it wasn't like I forced her to do anything.

The odd thing was that the more I thought about it, the more I felt my dick growing in my pants. I tried not to think about fucking the shit out of Brooke but you know what happens when you try not to think of something; it ends up consuming your thoughts. Before I knew it, I had a full-blown hard-on that wouldn't go away. I ended up doing what every nineteen-year-old would have done, I jacked off before I went to class.

Thankfully, my classes and college friends kept my mind off of Brooke for most of the day. On my way home, I was kind of apprehensive about seeing my little sister again. The same things must have been going through her head like mine and I was concerned she was going to place the entire blame on me for us having sex. Heck, that's been our history together; she blames me. I was confident she wasn't going to tell our parents though. I figured this would be our lifelong little secret, never to be talked about ever again. It happened; it's over and we'll never do it again for as long as we both live.

When Brooke got home later that afternoon, I told her, "I think we need to talk about, you know, what happened last night."

"Okay Will, what's on your mind?"

"Don't get me wrong, I had a lot of fun last night but you're my sister and we probably shouldn't have done it. It's been bothering me all day and I was hoping you're feeling okay or if not, we can talk about it."

"What's there to talk about, Will? We had sex. It's no big deal. If you don't want to do it again, that's fine by me."

"Don't you think it's weird that we did it, Brooke?"

"Yeah, I never expected it to happen but, to be honest, it was kind of fun but it was just sex. We were both horny and available. You're overthinking it. I still think you're a jerk at times. I'd never tell anyone what we did, not even my best friends and you better keep your mouth shut too or we'll both be in big trouble."

"Don't worry about me, I'm not telling a living soul. It's not like I can go around bragging that I had sex with you."

Here I was, concerned that I was some kind of pervert for fucking my little sister and she didn't think it was weird. Maybe she was right, maybe I was overthinking it.

With that out of the way, I asked her, "What's for dinner?"

"What do you mean? I don't know."

"Part of the bet was the loser cooking dinner for the rest of the week so what are you cooking?"

"Are you fucking kidding me, Will? I sucked your dick and fucked you last night. Wasn't that enough?"

"Alright, I let you off the hook on dinner," I said with a grin.

"Good, because I was about to tell you to kiss my ass anyway," Brooke replied.

"You better be careful because you know I'll do it."

"If you tell me to suck your dick, I just might and I mean MIGHT, do it again," Brooke said as she walked away with a big grin on her face.

Oh shit, was she hinting we should do it again? If she was okay with it, how was I going to turn her down, after all, she is a great cocksucker. I watched her cute ass wiggling as she went to her room to do some homework. I was wondering what the fuck just happened? I thought she'd feel guilty or ashamed about what happened between us but it seems to have bothered me more than her. If it didn't bother her, why should it bother me?

Our parents left us plenty of money to order dinner when we wanted so Brooke and I agreed on burgers from a takeout place. After the previous night, I was now looking at my sister in a much different way. Even though she was wearing a sweatshirt and jean shorts, Brooke still looked good. You know a girl has nice tits when they stick out when she's wearing a sweatshirt. Those shorts she was wearing hugged her ass tightly and I couldn't help but undress her with my eyes after seeing her naked and holding onto her ass while fucking her from behind. Those long legs of hers were something else I couldn't take my eyes off of either. After dinner, I was disappointed to hear that Brooke was going over to a friend's house to work on a school project. In the back of my mind, I was hoping that she'd stick around the house and I might get a chance to explore our new sexual relationship a little further but I figured it was probably better that we didn't.

I was playing video games when Brooke got home around 9 PM. I turned my head to watch her cross the room to the kitchen. I couldn't help but stare at her tits bouncing under her sweatshirt which led me to think she wasn't wearing a bra and watched her lovely ass wiggle as she walked. I chastised myself for looking at her that way again but my dick was now in total control of my mind. I had flashbacks to her blowing me, me eating that pussy and ass, and me fucking her.

Brooke called out from the kitchen, "Do you want a beer?"

"Sure, why not?"

I ended my video game a few minutes earlier, mostly because I was distracted by Brooke. She came in to sit next to me on the sofa and put her feet up on the coffee table after she handed me my beer. I tried not to stare at her bare legs and feet but I just couldn't help myself. The more I stared at her, the hornier I got. I was trying to think of a way to hint that I wanted to fuck her again but I chickened out.

We agreed to watch a sitcom on TV that was starting in a few minutes but she went to change her clothes first. I knew I shouldn't be looking at my little sister in a sexual way but I couldn't help myself. I thought about going to bed to avoid being distracted by her but it was too early.

When Brooke rejoined me, she was wearing a large V-neck white t-shirt and I could see just a hint of her areola and pink bikini panties underneath. When she sat down, her t-shirt showed off even more of her legs than her shorts. It wasn't overtly sexy but a nineteen-year-old boy doesn't need much to get his hormones going. I tried not to be obvious that I was looking at her but I think Brooke noticed my stares.

She didn't say anything but she seemed to move around a lot more on the sofa. Any time, she moved slightly, my eyes checked out Brooke to see if I could catch a glimpse of her tits or panties. It may have just been my imagination but it seemed like Brooke was glancing over at me at various times while we were watching TV. I wrote it off as wishful thinking because my dick was half-hard just being close to someone I fucked the night before. I kept picturing in my mind seeing the back of her head as it bobbed up and down on my dick or reliving seeing Brooke with her legs spread before I ate her pussy or licked that lovely ass of hers. My dick desperately wanted to feel the grip of her tight pussy again but I truly was trying to resist the temptation of wanting to fuck my sister again.

I was sitting next to Brooke on the sofa watching some dumb TV show wondering how I would bring up wanting to sleep with her again when she said, "This show is dumb. Do you want to fuck again?"

She brought it up so matter-of-factly that I was caught off-guard.

"What?"

"This show is boring. Do you want to do it again? I'm a little horny."

I couldn't believe my ears and quickly answered, "Uh, sure."

I was so surprised that I had no idea what to do next but Brooke peeled off her t-shirt and came over to straddle my lap, offering her tits to me. I reached out to grasp her luscious globes, playing with her soft mounds before leaning over to suck on her tempting nipples. Brooke clutched my head and pulled me closer to her chest as she softly moaned. I put my hands over her pantied ass, sinking my fingers in her meaty flesh as I alternated sucking on her tits. Brooke started to grind herself against my erection and that was more than I could take. I lifted my sister and laid her back on the sofa. I looked at her half-naked body lying there before me as I took the top of her panties in my fingers and began to tug at them.

Brooke lifted her hips to help me slide her panties past her ass as I saw her hot pussy come into view. I pulled her pink satin panties down her legs and tossed them onto the floor. I never thought I had a foot fetish but I couldn't resist sucking on her toes as they were so close to my face. I ran my hand up and down the soft skin of her legs as I had her toes in my mouth. When I had played with her feet for a while, I opened her legs wide and kissed my way to her inviting pussy.

I licked around the outside of Brooke's lips before beginning to finger fuck her that hot, wet pussy, first with one finger then two. My little sister was squirming and pulling my head into her crotch but I wanted to tease her for a little while longer. I then spread her legs wider and replaced my fingers with my tongue. Her pussy tasted so sweet as I lapped up her juices. I began to finger fuck her again as I moved my tongue up to her clit.

When she was on the verge of orgasm, I began to suck and lick her clit as she squirmed to my tonguing. When she came, she lifted her hips and pulled my head tightly into her almost suffocating me but I kept eating her tasty pussy. It was satisfying for me to know I was pleasing her. After she came, I lifted my head to see the look of lust in my sister's eyes. It was now my turn and I moved myself up between her legs. My dick bobbed within a fraction of an inch from her pussy.

Brooke made the evening hotter when she said, "I need a good, hard fucking, Will. Shit, I'm so horny."

I rubbed my dick up and down her wet pussy then slowly shoved it into her while I watched her eyes roll into the back of her head.

I was thinking, "Fuck, my sister is a hot piece of ass."

I began to thrust myself into her as her hips bucked in rhythm with my motion. It seemed as if our bodies were moving as one, we were in sync with one another. I had never felt this way with any other girl I had sex with. That's what made it so special along with the fact that what we were doing was so taboo. Siblings having sex was wrong, naughty, or as we were taught, a sin. However, it felt so good, better than with any other partner I ever had. Brooke wrapped her legs around me for better leverage and I leaned down to suck on her bouncing breasts as her tight pussy gripped my cock.

We changed positions several times with me fucking Brooke from behind or her riding me. She even took time to suck my dick before sticking it back into her pussy. I tried to make it last as long as I could but, unfortunately, my balls needed to lose the sperm that had been building inside of me. I thrust myself deep into my sister's pussy and unleashed wad after wad of my jizz into her. I took some time to catch my breath before I withdrew my softening cock from my little sister's pussy.

When I sat back, I felt a bit awkward after fucking Brooke again, not that it wasn't some of the best sex I ever had but it was with my sister. I was feeling torn between doing something I knew I shouldn't have but also enjoying it so much.

It didn't bother Brooke at all because all she said was, "Wow, that was fun. You sure know how to fuck." A few minutes later she said, " I'm tired, I'm going to bed."

She went upstairs to shower and went to bed. It was just sex to her. I don't know why I was analyzing it so much. I wished I could be as nonchalant as Brooke. I was determined to quit overthinking the situation and simply enjoy the great sex.

Brooke and I barely saw each other over the next couple of days. I made plans with my friends and she had a date and spent time with her friends. She came home late when she had her date so I figured she had sex with him. I felt a twinge of jealousy, mostly because I wanted some of that tight pussy again myself. Even though I would jerk off thinking about Brooke, I was still trying to resist the temptations going through my mind.

On Friday night, despite our parents' warnings, Brooke and I had a party at our house. It wasn't one of those wild, house-wrecking parties you see in the movies, it was for a few of our closest friends. We got one of our older friends to buy us some beer and liquor and we were doing plenty of bong hits too. Most of our friends planned on spending the night, sleeping on the sofas in the living and family rooms or on the floor. My date and Brooke's date spent the night in our rooms where we both got laid.

The next morning I didn't wake up until almost noon with a hangover and a headache. My date had already left and there were only a couple of people still sleeping but once they heard me in the kitchen they got up and left. Shortly thereafter, Brooke and her date came out of her room. She was wearing one of the white t-shirts.

Her date kissed her goodbye, taking her in his arms while grabbing her ass and tits, and told her, "I'll call you later, babe. Maybe we can get together later tonight."

"I've got plans tonight but I'll get in touch with you tomorrow," she replied before he left.

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Brooke looked pretty rough herself and I told her, "You look like I feel."

"Yeah, my head is pounding."

I made us both some coffee along with bacon and eggs which seemed to help. I asked Brooke about her "friend" and she told me he was only a booty call. He wasn't very good in bed but he had a decent-sized cock. I snickered and told her my date was gorgeous but kind of just laid there and couldn't suck a dick if her life depended on it.

Brooke then gave an off-the-cuff remark, "Shit, maybe we would have been better off sleeping with each other."

I could only reply, "Yeah, that would have been better for sure."

Neither one of us said anything else about sex but if she offered, I knew there was no way I could refuse. Brooke and I spent the first part of the afternoon cleaning up the mess from our party so our parents wouldn't suspect anything. They must have known we were going to have a party but we wanted to at least be respectful of their house. We were both moving a little sluggish at first but started to feel better once we began to move around. We spent the rest of the afternoon doing chores. Brooke cleaned up the kitchen while I mowed the lawn.

When we were done, I asked Brooke what plans she had for that evening. She said she was going to hang out with some friends but might cancel. I told her I planned on calling a couple of buddies over but hadn't made up my mind yet.

Brooke replied, "To be honest, I wouldn't mind just hanging out watching a movie or something."

"Yeah, that doesn't sound too bad. Maybe we could go out to dinner with some of the money mom and dad left us."

"That's a great idea, Will. We can't have any of their money left over."

Later that evening, my sister and I went to a local restaurant for a couple of burgers. Brooke looked really good in a black lace cami crop top and tight jean shorts. It was obvious she wasn't wearing a bra and was showing plenty of cleavage. We tried to buy some beer with our fake IDs but it didn't work. We figured we'd just have to wait until we got home, after all, we had plenty of leftover beer and liquor from our party that we had to get rid of before our parents came home. Brooke and I had a nice talk over dinner about school, college, our friends, and whatever subject that came up. We were both amazed at how well we were getting along while our parents were on vacation. We both realized that if we stopped competing for their attention, maybe we'd get along when they got home.

I told Brooke, "That would help but I think doing what we did also helped us get along better."

"What are you talking about, Will?"

I didn't know if she was being coy or really didn't understand what I was hinting at so I tried to explain it again, "You know, doing it."

"You mean we get along better when we fuck?"

I looked around to see if anyone heard her and replied, "Ssshhh. Not so loud. Yeah, that's exactly what I meant."

"For goodness sake, Will. It's only sex. We were both horny so we had some fun taking care of one another. It's no big deal. So what if you're my brother. You're pretty darn good at it."

"It sure was fun. You're pretty darn hot yourself."

Brooke turned things up a notch when she said, "As a matter of fact, my date kind of left me hanging last night if you know what I mean. He wasn't concerned with my needs at all. I was sort of hoping you'd help a girl out when we got home. "

"You mean, you know."

"You can be so thick, Will. Yes, that's exactly what I mean. Besides, mom and dad will be home tomorrow. We should enjoy ourselves while we can."

"Sure. I got off last night but she was nothing special."

We were in no hurry but as soon as we finished our dinner, we paid the check and went back home. This time was going to be different because it was planned and I was looking forward to spending the evening in bed with my sister. When we got home Brooke told me she wanted to relax and have a couple of beers which was fine with me. We had all night, there was no reason to hurry. I was simply happy that I was going to have a night of great sex with a very sexy young lady who happened to be my sister. I grabbed a couple of beers from the fridge and brought them into the family room to join Brooke. I thought we were going to watch TV but Brooke wanted to talk about our relationship.

"When did you first realize that you wanted to have sex with me?"

I was caught off guard by that question and I told her, "I don't know. I began to notice that your body developed shortly after you turned eighteen. Then you started wearing more revealing clothes around the house. I couldn't help but notice your tits got bigger and you were flashing your panties more often too. Were you showing off on purpose?"

"Not at first, but I thought I noticed that you and other boys were looking at me differently. No one had looked at me like that before. The more you looked the more I wanted to show off. It became kind of a game once I noticed you getting erections. To be honest, I was trying to embarrass you."

"I knew it, you bitch," I replied half-jokingly. "It fucking worked too."

We both got a good laugh out of that which led Brooke to reply, "Yeah, I know it worked that's why I kept doing it. Tell me the truth now. Did you ever jerk off thinking of me?"

I couldn't believe my sister just asked me that and I blushed profusely. It was so bad that she said, "I thought so. You guys are so easy to tease."

I figured it was time to put her on the spot so I asked, "Did you ever, you know, think about having sex with me."

"I have to confess that when I saw you getting erections around me, I had some pretty wild dreams. I wondered what your dick looked like, how big it was, and what it might taste like."

Brooke confessed to wearing more sheer tops around me in the morning when she knew our parents had already left for work or leaning over in front of me so I could get a peek at her tits. She knew I was looking at her panties when she was wearing a short skirt so she made sure to leave her legs parted when our parents weren't looking or she'd bend over at the waist knowing the back of her skirt was lifting so I could check out her ass. Her favorite was walking back and forth from the shower in just her bra and panties. I told her that was my favorite too. Brooke told me she didn't act on some of her feelings because I was her brother but once she saw my hard cock when she lost the bet, it got her thinking. Then once she started sucking my dick, her pussy needed some attention.

I told my sister that while I enjoyed looking at her exposed body, I never considered trying to get her into bed. I thought a blow job was harmless but once she told me she wanted me to eat her pussy, all bets were off.

"Where did you learn to eat pussy like that, Will? You're damn good."

"I always wanted my partner to enjoy sex too and I like eating pussy. I learned a lot from the Internet too. It's made me popular with the girls."

"I bet it has. That first time we were together, you, uh, you licked my behind. That was nice. No one's ever done that before."

"To be honest, I'd never done it before but you've been telling me to kiss your ass for so long and you've got a really nice ass, that I just had this urge. I wasn't sure how you'd take it."

"Oh, it was nice. I wasn't sure at first either but I enjoyed it. Have you ever done anal?"

"No. No girl I've dated has been willing. What about you?"

"No. Some guys have asked but it wasn't something I wanted to do with them. I'd be open to trying it though."

I got a huge grin on my face because Brooke was giving me more than a hint. When she walked out of the room to get us a couple of more beers, there was a very noticeable exaggerated twitch in her walk. Damn her ass looked good in those jean shorts. When she came back, she leaned over in front of me while placing my beer down and opening it for me. She was showing me her cleavage and I was more than happy to look at whatever she was showing.

Brooke then told me, "I'll be right back. I'm going to change."

I had no idea what Brooke had in mind, not that it mattered. I waited for several minutes for her to return but I wasn't disappointed. When my eighteen-year-old sister walked into the room, my jaw dropped wide open and I openly gawked at her. Brooke was wearing a deep blue lace demi-bra and thong set with white thigh-high stockings and white, open-toed high heels. Half of her breasts were pouring out of her bra and her perfect hourglass waist was sandwiched between her underwear. The white stocking accentuated her legs and her high heels gave her ass a distinct wiggle when she walked in addition to making her legs appear longer. I hypnotically watched as Brooke paraded around the room like a runway model. She stopped in front of me and my eyes drank in her beauty from the tips of her pedicured and painted toes to the top of her head and back again.

Brooke then asked, "Well, do you like my new underwear?"

"Like it? I love it. You look gorgeous, Brooke. You're absolutely stunning."

My little sister walked around the room a couple more times and then came to sit next to me on the sofa and crossed her long legs. She let her shoe dangle from the tip of her toe as her leg nervously bounced.

"Oh, look at you. It looks like seeing me in my underwear has caused you a big problem."

Brooke was looking at my obvious erection and I replied, "If I didn't get hard after seeing you in that outfit, I'd think I was dead."

Brooke laughed and replied, "Well, you sure aren't dead but why am I the only one sitting here in my underwear?"

She didn't have to say that twice and I quickly stripped down to my boxer briefs with my obvious erection clearly outlined by the cotton fabric. There was a little damp spot up near my waistband where precum had leaked out of my dick. Brooke's eyes quickly darted towards the lump in my briefs and began to stroke my legs. I couldn't resist running my hands up and down the silky material of her stockings and bare upper thighs. Seeing my sister wearing stockings and feeling how soft they were, planted the seeds for me to develop a nylon fetish.

Brooke and I were talking and drinking while we toyed with each other's bodies. I would fondle her breasts and she even played with my nipples which I found I liked. We were taking our time teasing one another, drinking our beers, and enjoying the sight of each other half-naked.

When I got back from getting a couple of more beers, I told Brooke, "Stand up and let me get a good look at you again."

She playfully asked, "What if I told you to kiss my ass?"

"I'd tell you I was going to do more than kiss your ass," was my response.

Brooke stood up and did a slow twirl for me and I told her, "Damn, you've got a nice body."

I took her in my arms and began to nuzzle her neck as my hands roamed over her bare flesh. Her skin felt so soft and she smelled so nice. Brooke moaned softly as I kissed and nibbled on her neck and shoulders before I unsnapped her bra and peeled it away from her body. I immediately cupped her breasts and began to alternately suck on her nipples. My hands slid down her torso and I grasped her ass cheeks, pulling her closer so I could grind my cock against her thigh and midsection. Brooke was sinking her fingers into my ass and pulling me closer in return, moving her hips so her body was rubbing against my erection.

I couldn't wait any longer to fuck my sister so I suggested, "Let's take this into the bedroom."

Brooke picked up her bra from the floor, making sure to bend over in front of me so I gave her a playful slap on the ass.

"Ouch, that hurt you asshole. Why don't you get a couple more beers and meet me in my room?"

I watched my sister's cute ass wiggling as she walked toward her room. I was dreaming of what I was going to do with that fine ass in just a few minutes. I grabbed a couple of beers and quickly went into her room where I found her sitting on the edge of her bed looking as sexy as ever. I was too damn horny by this time to even feel a twinge of guilt about fucking my sister again. My dick needed some attention and Brooke was going to give it to me.

I got down on my knees, slipped off her shoes, and began to stroke her stocking-covered legs and feet. I gave her a short foot massage and noticed her perfectly pedicured and painted toes. I ran my hands up and down her legs then ran my face along her thighs. Her stockings felt so good in my hands and face. I picked up her feet again and began to suck on her toes while stroking her calves. Brooke picked up on how much this was turning me on and began to run her feet over my chest and face. The softness of the silk stockings felt wonderful on my skin.

I stood up to strip off my boxer briefs, releasing my dick which was rock hard, and pointing up towards the ceiling. I took Brooke's feet and put my dick between them. My sister took the hint and gave me a short foot job, stroking my cock and balls with her stocking encased heels and toes. I was afraid I was going to cum too soon so I climbed up on the bed. Brooke got in the middle of the mattress and I stripped off her thong. I spread her legs wide, taking a moment to let my eyes feast on her naked body, then I dove between her legs and began to eat my sister's tasty pussy.

In no time, Brooke was squirming on the bed, moaning loudly as I tongue fucked her. She came almost immediately after I began to focus my oral efforts on her clit. I ate her juicy pussy until she came twice then spread her legs wider and began to fuck her. I placed my sister's legs over my shoulders and drove myself deep inside her. I watched as her breasts were flopping around as I plunged into her.

When we were fucking doggie style, Brooke was shouting out, "I'm a dirty little bitch. Oh shit, fuck me hard."

"You're a horny little bitch too. Take my dick, Brooke, take it deep."

Unfortunately, it didn't take me long to cum after an evening of teasing and when I pulled out Brooke said, "I, uh, thought you were going to do me, you know, back there."

"Don't worry, sis, this was just the beginning. We have all night."

Brooke smiled in acknowledgment and said she was going to take a quick shower. I watched as she walked out of the room and paid particular attention to her shapely ass. I've noticed how fine her butt has gotten and undressed her with my eyes almost every time I saw her over the last several months. The first time I became attracted to her ass was when she was wearing a pair of black leggings that look like they were painted on her.

I remember thinking, "Holy shit, my little sister has one fine ass. Why haven't I noticed it before?"

Ever since that day, she seemed to wear tighter jeans or shorts. She has several pairs of compression shorts she wears that are even better than her leggings because they show off her shapely legs as well as her ass. When she wears them with a sports bra, it drives me nuts. Tonight, I was going to get a chance to do what I dreamed of doing to her by fucking her ass. I decided to join Brooke in the shower and I startled her when I pulled the shower curtain back.

"You scared me half to death, Will."

"I wouldn't want that to happen, not when I'm about to fuck that beautiful ass of yours."

"Kiss my ass, Will."

"Umm, I will, all in good time, Brooke. I'm looking forward to it," I replied as I slapped her on the backside.

I helped Brooke spread the body wash over her taut eighteen-year-old body. My hands glided over her breasts and her torso as they made their way to her pussy. I gathered more body wash onto my hands and spread it over her butt cheeks and asshole. In turn, Brooke soaped up my cock and balls with me getting hard again.

"It doesn't take you long to recover now, does it?"

"Not when I have a hot chick that wants to have sex with me."

"So you think I'm hot."

"Oh fuck yeah."

"I think you're pretty hot too, Will."

After we rinsed ourselves, we helped dry each other off which only served as another way to sexually tease each other.

Brooke then suggested, "Why don't you grab us another beer or two and I'll meet you back in the bedroom?"

"Sounds good to me."

When I got back to her room, I almost dropped the beers as Brooke was on her hands and knees wiggling her ass. I could hardly believe I was about to take my little sister's anal virginity and lose mine at that same time. I tried to convince other dates of mine to try it with no success. Now I was in Brooke's room and she was asking to try it. It was way beyond my wildest dreams. If someone had told me last week that I'd be in her room about to do anal with my sister, I would have told them they were out of their friggin mind. But here I was and it was going to happen.

Brooke turned over and sat on the bed as we each opened a beer and spent a few minutes drinking them. It seemed so natural to be sitting there with both of us naked.

In those few minutes, Brooke told me, "I've read some stuff on the Internet on anal sex and the trick is supposed to be to take your time and make sure we are both well lubricated. There's some lube on my nightstand."

"Yeah, I've read up a little too. I don't want this to hurt you. I want you to enjoy it as much as I will"

"I don't want it to hurt either, Will," Brooke replied with a laugh.

It seemed like we were both ready so I suggested that Brooke lay face down on the bed with a couple of pillows under her hips. When she was in position I got behind her and spread her legs wide, running my hands up and down them while I savored the sight of her from behind. It all seemed like a dream but here I was naked on my sister's bed while she was offering her ultimate prize, her anal virginity.

I moved my hands up to fondle, spank and grope my sister's luscious, meaty ass. While I was playing with her cheeks, I would spread them so I could get a look at that puckered hole that was waiting for me. I followed my urges and laid down between Brooke's outstretched legs and began to nibble and playfully slap her ass. I would kiss, lightly bite and lick her butt, taking my time to enjoy myself and hopefully turn her on.

When I got close to my sister's asshole, she lifted her hips in what I took as a hint to lick her there. I swiped my tongue across it and she responded with a light moan so I did it again but longer this time drawing further moans from Brooke. I groped her cheeks, spreading them further as I continued to tongue her asshole which made Brooke squirm in pleasure. I enjoyed analingus more than I thought I would and took my time to explore my newfound pleasure.

I was also anxious to further explore anal sex so, after several minutes of tonguing her, I reached for the lube, spread Brooke's cheeks, and dripped some on her anus. I rubbed a little bit on the outside of her asshole, then gently inserted my finger.

I felt her ass tighten around my finger and thought, "If she's gripping my finger this tightly, I wonder what it will feel like on my dick."

Brooke's ass relaxed as I probed it with my index finger. I put more lube on her ass and inserted two fingers. I finger fucked her as she got used to having something going inside of her backside. I kept adding more lube to help prepare her for my dick. I asked her how she was doing and she said it felt strange but good. I figured it was time to take it a step further and put some lube on my dick. This was the moment of truth. I was a little nervous and I think Brooke was too. It was one thing to have a couple of fingers stuffed up your ass but a hard cock was something totally different.

I promised to go slow as I placed the head of my dick against my sister's asshole. I could feel her tensing up and tried to get her to relax. I started to push forward and saw her asshole begin to widen as the tip of my dick tried to enter. I was inexperienced and didn't want to hurt Brooke but my dick wasn't entering her ass as easily as I thought it would. I didn't know why it was so hard to enter her, maybe it was because she was tense and nervous. I desperately wanted to fuck her ass, my first opportunity at anal sex which was a fantasy of mine, and this was my chance. I didn't want to blow it so I pushed hard and in doing so, about a third of my dick plunged into Brooke's ass.

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Brooke cried out, "Oh fuck, Will, take it easy. Oh shit, that hurts."

I said, "I'm sorry, Brooke," and I paused.

I didn't want to hurt my sister but on the other hand, I had my dick in her butt. Brooke's pussy was tight but her ass was even tighter and it felt like it clench up on my dick. I waited for her to tell me it was okay to keep going and I made sure I went very, very slow. Once, she got used to having my dick up her butt, I ever so slowly pushed into her going fractions of an inch at a time. I would stop to let Brooke get comfortable then push just a little bit further. It took a while but finally, my hips were touching her cheeks; I had my entire dick in her ass. I had a sense of accomplishment, my anal virginity was gone.

I told Brooke, "I've got my whole dick in your ass."

"Okay, but go slow."

I started to pull back a bit and push in again, fucking my sister's ass as slow as I possibly could. I can't tell you how many times I stared at her ass, dreaming of fucking it, thinking it would never, ever happen. However, here I was with Brooke's backside lifted by the pillows with my dick embedded in it. I was in ecstasy butt fucking my sister. It felt glorious to be fucking her tight butt. There's something special about someone letting you do anal with them. Brooke was giving me something that no one else had done with her before. I know other guys must have checked out her ass wishing they could do anal with her but it was me that got the first chance at it. She wasn't saying she was in pain or discomfort so I began to move a little faster.

I asked Brooke, "How are you doing?"

"I'm fine. It doesn't feel too bad."

After hearing that, I started to fuck her ass faster. I spread her cheeks wider so I could get a better view of my dick moving in and out of her asshole. I could hardly believe I was having my first anal sex experience. Not only was it my first time but it was with my little sister, granted she wasn't so little anymore but I was also taking her anal virginity at the same time I was losing mine. When Brooke began to push her hips back towards me, I figured she was enjoying having me sodomize her so I started to fuck her harder and faster. Her moans told me her initial pain and discomfort had now turned to pleasure.

My thoughts were confirmed when I heard Brooke call out, "Fuck my ass, Will. I'm such a dirty slut, fuck my ass."

Hearing her talk like that turned me on even more and I grabbed a handful of her hair, tugged on it while slapping her butt cheeks, and said, "You are a dirty slut. Look at you with your brother's dick stuffed up your ass you fucking whore. Do you like my dick in your ass."

"I love your dick in my ass. I wish I would have let you fuck it sooner. I'm such a fucking whore."

"Only a whore would suck her brother's dick, fuck him and take him up her butt."

I began to pound her sweet cheeks even harder and she was loving it. She was enjoying it so much that she got up on her knees so it was easier to reach down between her legs to play with her clit. I grabbed two handfuls of her beautiful butt cheeks and kept plunging my cock deep into Brooke's ass. She enjoyed being spanked also so I kept slapping her cheeks as I sodomized my sister.

As I was fucking Brooke's butt, I watched as my dick would disappear into her tight, puckered asshole. The only bad thing about this is that I would never be able to tell anyone about it. It had to remain my sister's and my secret.

Shortly after Brooke brought herself to an orgasm, I came in deep in her bowels. I left my dick inside her ass until I started to lose my erection. I wanted to cherish the feeling and sight of my dick in her butt for as long as I could. When I finally pulled out, a trickle of cum leaked out giving me a great view of an anal cream pie. I wish I had my phone on me so I could take a picture but I'll always have it in my spank bank for future reference.

Brooke rushed off to the bathroom and a few minutes later I heard the shower going so I decided to join her to clean myself up too. I was disappointed that she was leaving the shower as I was getting in. She told me she'd get more beers and meet me in the family room. When I got to the family room Brooke was waiting for me naked with a beer. I sat down next to her and asked how she was feeling.

"I feel okay. I don't know if I'll be able to walk tomorrow but it only hurt when you shoved your dick in me at first. Once I got used to having a dick in my butt, it wasn't so bad."

"Well, you came so you must have enjoyed it too."

"Yeah, it was pretty awesome. I felt so naughty too. I think that's what made it even better."

"I loved it. I like fucking a pussy too but your ass was even tighter. You've got a nice butt, Brooke."

"Gee, thanks, Will. That's the nicest thing you've ever said to me," Brooke replied with a grin.

I mentioned to Brooke, "You know, mom and dad are coming home tomorrow and we're probably not going to be able to, you know, get together as often."

"You mean we won't be able to fuck as often."

"Uh, yeah."

"Let's worry about that later, Will. We probably should be 'getting together' with other people anyway but I'll know where to find you if I need someone to give my pussy a good licking."

I chuckled, "Yeah, and I'll know where to go when I need a good blow job or a tight piece of ass."

We were having a great, honest conversation, and Brooke and I were getting along better than we ever had before. However, that didn't stop me from checking out her naked body as we talked. I knew I wouldn't be able to suck on those perfect tits as often or feel her sweet lips wrapped around my dick or fuck that tight pussy and even tighter ass as much as I would want but it was good while it lasted. My dick was beginning to get hard again which I'm sure Brooke noticed.

My sister went to get us another beer and I watched that sassy ass twitching as she left the room. When she got back, I was watching her perky, ripe breasts bouncing with each step. Her legs were perfect with a hint of muscle definition. When she handed me my beer, my cock was fully erect.

"I can't believe you have another hard-on. What are you, some kind of pervert?"

"What can I say? I'm a horny teenage boy."

"Well, you're in luck. I'm a horny teenage girl."

Brooke and I both smiled and I followed her back into her bedroom. I think we both knew our sexual party was coming to an end so we were going to make the most of our last night of freedom from our parents.

I think Brooke was even hornier than me because she laid down on the bed next to me and began to stroke my cock telling me how none of her previous lovers ever got hard three times in one night. She knew that cumming a third time in a night was going to take some time and mentioned that it would allow us to have even more fun. I couldn't imagine enjoying sex with my sister even more but I was willing to find out. Before long, Brooke had her mouth on my dick, deep throating me and giving me a sweet, slow blow job. She liked dirty talk and I was more than willing to oblige.

"That's it, Brooke, suck my dick. You're a great cocksucker. You're a cocksucking whore."

Brooke switched her position and got between my legs so she could better lick my balls while she gave me a hand job. She then surprised me by pushing my knees back towards my head and licking my ass. I had never been rimmed before and I assumed this was Brooke's first time and I was loving it. She would tell me later that she figured she owed it to me after I so willingly tongued her asshole. Brooke was hesitant at first but after she attained a comfort level, she seemed to enjoy giving me a rim job combined with her blow job.

After a while, I told her, "If you swing your hips around, I can do you too."

My sister changed her position so we could sixty-nine and I began to lick what was quickly becoming a familiar pussy. I enjoyed her being on top, straddling my head because my face was now buried between her butt cheeks and it gave me easy access to her anus. I wasn't sure how another girl would take me licking her ass but I appreciated being able to explore this desire with Brooke.

When Brooke orgasmed, she came so hard, her juices dripped down over my face no matter how hard I tried to catch it all. I tried to lap up every last squirting drop. When Brooke finished, she turned around and stuffed my cock in her pussy, and began to ride me while I played with her butt cheeks and breasts. She would lean down, feeding me her alluring tits. There were times when she would slap my face between them with me trying to catch them in my open mouth.

When Brooke got tired when riding me, I bent her over to take her from behind. While I was fucking her, I'd slap her ass, tug on her hair and call her a fucking whore, a cum dumpster, and her favorite, a dirty little bitch. I made my sister tell me that I was the best fuck she's ever had.

"No one has fucked me better than you, Will, no one. You're the best pussy eater I've ever had. Oh, fuck me hard. Fuck your dirty little whore sister."

I stuck my thumb up Brooke's ass and she began to squirm even more but she told me her ass was too raw to let me do her anally again that night. I was disappointed but understood. I fucked her ass after I had already cum once so I lasted longer than I normally would have. I gave that butt a good, long fucking but I was satisfied fucking her hot, tight pussy too. After cumming twice, I was able to last a very long time. I fucked Brooke in every position we could think of and when I was ready to cum again, I told her I wanted to cum in her mouth.

I ordered Brooke to tilt her head back over the edge of the mattress and throat fucked her for a few minutes, then I told her to get on her knees on the side of the bed. There was something about making her submissive to me by having her kneeling before me. I was watching her head bob in my lap while I was thrusting my hips upwards. When I came, I held her head still and shot my load into her throat. I pulled out and shot a couple of wads onto her face before stuffing it back in her mouth to suck me dry.

My sister looked so beautiful with my cum all over her face and lips. I dreamed of painting her face with my cum but more so out of spite when she was acting like a spoiled brat. Now it was because over the last week she gave me the best sex I'd ever had. I know I did the same for her too.

While my cock was shrinking in between her lips, I told her, "I'm done. You drained my balls, Brooke. They even hurt a little."

"That's good because you fucked my ass and pussy raw. My jaw is even a little sore."

Brooke and I were both exhausted and drained so I went back to my room and called it a night. My sister and I had a night we'd never forget. Who would have thought that the best sex of my young life would be with my younger sister? I wasn't sure if it was possible to find another sexual partner as satisfying as her.

Our parents were coming home early Sunday evening. On Sunday morning, Brooke and I both slept in until around 11 AM and we both knew we had to straighten up the house before our parents got home, making sure everything was in order and getting rid of all the empty beer cans and liquor bottles we had drunk during the week. When we were done making sure the house was as clean as when our parents left, Brooke and I had a chance to talk about what happened between us.

Brooke started the conversation by saying, "You know, we aren't going to be able to be as active when mom and dad get home. I mean, it was fun and all but it's probably a good thing too."

"I understand. I was thinking the same thing. But, I have to tell you, you are damn good in bed, Brooke."

"You aren't half bad yourself, Will."

"You wouldn't want to do it one more time before mom and dad get home, would you?"

"You're such a fucking horn dog, Will. Sure, why not?"

Brooke and I slipped off to my room this time and I took my time giving her pussy a good licking with Brooke returning the favor with one of her sensuous blow jobs before I fucked her tight pussy. I didn't want to say anything to her but I didn't think I could give up fucking her. She was too darn good in bed.

Before I came, there was one more thing I wanted to do with Brooke and I asked her, "Can I titty fuck you? I've been wanting to do that for a while now."

"What the fuck, why not? We've done everything else."

I climbed up to straddle her chest and placed my dick between her big, young, firm tits while my sister squeezed them around me. Her luscious mounds felt so good surrounding my cock.

Brooke told me, "Warn me before you cum. I don't like surprise splashes on my face."

I began to pick up the pace and just before I came I told Brooke, "I'm gonna cum."

She lifted her head, opened her mouth, and stuck out her tongue as I splashed the first wad of cum onto her face and tits. Some of it landed on her tongue and in her mouth followed by more wads until I was drained. Brooke had cum all over her upper body, face, and in her hair. I moved up to let her lick my dick clean.

"I can't believe you came that much after fucking all night."

"You're so hot, you can partially blame yourself."

When our parents got home that evening, they couldn't believe how clean the house was which left them wondering what went on because it was too clean. I swear parents are never satisfied. Then they asked how we both got along and we told them we hardly fought at all. They didn't believe that either.

Brooke did tell them. "We didn't fight but Will can be a pain in the ass."

We both chuckled a little and I had nothing to say because I literally was a pain in her ass. Our parents were curious as to what Brooke was talking about but they didn't really care as long as we got along and didn't destroy the house. Brooke and I had a dirty little secret to share that would bring us closer together in more ways than one. Neither one of us knew what the future would hold for our newfound relationship. I guess only time would tell what was in store for us.