AN: Hey guys, as promised this is the first part of the lemon. I might post the second part today I'm not sure because I haven't fully finished it. It's pretty freaking explicit so I am warning you, PLEASE DO NOT READ IF YOU THINK YOU'LL GET OFFENDED. Yes they are brother and sister, yes they are blood related. Oh and the first part of this is kind of Ichigo's POV if you are confused but towards the middle the POV are mixed like I usually write -It's just easier that way-.

Anyhoo, I warned you, enjoy -I know I did-

Okaa-san - mother+honorific


Ever since Rukia was born, he's felt an unusual bond with her. The love he had for her felt different from what he had for his mom or sisters. It felt more insistent, more deeply ingrained, and more insatiable.

When their mother died, she was there for him when their father wasn't. Even though he knew she was torn up about it too, that she was dying inside like he was.

Rukia was such a mommy's girl even though their father Isshin liked to say she was a daddy's girl, but Ichigo knew better. Rukia looked at their mother like she was an angel sent from heaven, much like the rest of the family. Rukia wanted to grow up and be just like her. Out of her and the twins she seemed to have more of the same personality traits as their Okaa-san, though their mother was also just as sweet and gentle as Yuzu and overbearing and straight forward as Karin.

Rukia's personality seemed to hold the basis as Okaa-san, they were mischievous and teasing, snide and witty, complacent and compassionate, both could be really scary at times though they also had a way of looking at you that could make you feel so warm and loved that it overflowed. But most of all they would both give up everything and anything, even their lives for the people they loved if only to make them happy.

Rukia was there when he really lost himself; he found his purpose in life again when she was there for him. At that time his feelings for her changed, at times they would become too much, almost suffocating. As hard as he tried, he couldn't make them any less than they were, and over time ignoring them became harder.

Now seeing her growing up to be a woman, all the guys at their school insistently talking about her, hitting on her, asking him questions about her, sharing perverse fantasies, kami sometimes he heard some guys talking about the things they'd love to ruin her innocence. He would then dispose of them of course, but even his friends didn't hide how attracted they were to his Rukia. How all they wanted to do was defile the purity of his angel.

If only she knew what the guys at their school wanted to do to her, she wouldn't be able to stand it. Hell, he couldn't, it was only by gods good graces that he was able to stop from beating them an inch from their lives.

No, today he'll be to the one to ruin her for any guy that thinks of laying his hands on her if he's at all able to get passed him. 'Even though he'd have to be inhuman to do that', Ichigo thought with an arrogant grin.

"Rukia you know the position"

"Bu-but, but I don't have any underwear on Onii-san" Rukia said with pleading eyes. She didn't want Ichigo to know how turned on she gets by this, not to mention him seeing her naked like that is embarrassing, even if he's the only guy she would let see her nude. 'This isn't the time for that Rukia damnit, he's you brother!'

"I don't care, lie on your stomach on top of the bed, put your ass in the air, and pull up the towel." Ichigo said, trying to coat the excitement in his voice with annoyance.

"Please, Onii-san…I-I can't" Rukia said on the brink of tears, she could feel the shame from getting excited by this.

"Rukia. I won't ask again." Knowing the tone in his voice Rukia decided there was no point in arguing any longer. She slowly bent over the bed and positioned herself like she knew he wanted. She tentatively lifted her towel up over her already leaking core. Upon hearing the threatening growl of her older brother, she knew he was getting impatient and that she should hurry up.

Ichigo could hardly believe how hard he got when he got a glimpse at the bubble gum pink engorged folds of his sister's pussy, already glistening, 'What a bad girl', he thought with a chuckle, 'So she wanted this too huh?'

It wasn't the first time he saw a naked woman before, no he's been with plenty of women to know what the anatomy was down there, not to mention his father was a renowned surgeon and professor so all of his children got in-depth lessons however immature they were, as he recalled his father's slideshow he showed his 5-year-old son and 4-year-old daughter who became traumatized for life. It was a surprise his mother allowed them to see the horrifying presentation. Luckily Yuzu and Karin weren't born yet and didn't have to go through it until they were 10.

Anyways, he was only with those other girls to try to satiate his burning and developing need for his sister. He wanted her so badly that just a look into her eyes got him as hard as steel. The self-control he had until now was admirable.

Ichigo took his time to cross over to his sister, squirming under his heated gaze and slowly dripping more steadily. He wanted to drink her all up, the smell was intoxicating.

When he finally stood behind her, he gently caressed the peaks of her delicious firm ass and slowly played with it like dough.

"Eh? Nii-san?" There was a moan building up in Rukia's throat that she tried really hard to bite back but when his hand lightly trailed over her folds she couldn't hold back "Aahhh~, wha-what are you-you doing Nii-san, aaaahhh~"

"Hehe" Smack! "So you like this huh Rukia?"

"No. No, what are you saying Nii-san. Ahh! Don't touch me there!" She said as his hand slowly descended down the valley of her folds to the bundle of nerves at the top. Smack! "AH!"

"Who said you could talk Rukia? All I want to hear are your screams as my hand pounds into this geyser of a pussy that you have." Smack!

Rukia nodded her head furiously and yelped, trying to contain her excitement and growing desire. With each smack his hand drew precariously closer to her pussy. His dirty language wasn't helping either; she wanted him to pound her with something other than his hand too.

Ichigo's cock was at full attention and that was only from a few smacks. He wanted to pound into her until she came so hard around him she passed out. But he had to take his time with this. He needed her to understand there were going to be no more merciful punishments from her being with another man; she will feel every inch, every inch, of his disapproval.

"You are being punished for agreeing to go out with Kaien" Smack! She yelped, that smack was harder than the ones previous which meant that this was the real start of her punishment. "For going against me even when I told you, you couldn't be with him" Twap! "Ah!", "And for walking around the house just begging to get fucked" This time he brought his hand down hard onto her dripping pussy and bundle of nerves making it flow even harder.

When he smacked her there she was sure she came in a mix of pleasure filled pain, 'He's going to make me into a masochist' Rukia thought ruefully.

His smacking continued until her cheeks were warm and red and her pussy was overflowing down her thighs. She was panting hard and her legs were shaking so hard she could barely hold her ass up.

His erection was so painful he thanked god he was still in his sweats from showering after karate training. This wouldn't end well if he were wearing his school slacks.

"Onii-san, are we done yet" Rukia asked in an almost broken voice"

"Hell, no. We're just getting started. Now hold your ass up and spread your legs"

"Please Onii-san, it's embarrass-"

"Rukia" He quickly interrupted with a foreboding voice. She slowly did as he told and spread her legs.

Ichigo dropped to his knees and devoured her wanton pussy with his eyes. He saw the liquid of her excitement slowly drip from the pink tightness of her hole and down her clit.

Without further thought, he started drinking and licking it up. "AHHH!" Rukia moaned loudly, hardly believing what her Aniki was doing. It felt too good to be true. She continued moaning and panting as his tongue traced the outsides of her walls and made sure to lap up all the juices. Ichigo started playing with the ball of nerves at the top or in this case bottom of her folds and started nipping at her clit. Rukia instinctively bucked away from his masterful tongue, her body believing the pleasure was too much as it started to border on pain.

Ichigo wouldn't have any of that though. He grasped under her waist to circle around her thigh and hold her in place as he began to fuck her tight sheath with his tongue. "No! NO! Onii-san-Ichigo! Stop, AH! Ah~" Ichigo pulled back and watched as her tight hole quivered on the lapse of an orgasm that he decided to prolong. After the convulsions in her walls slowed, Ichigo started tweaking her nub while tongue fucking her so deep it didn't seem possible. Her moans were like music to his ears. Her taste was like vanilla and peaches, he wanted to drink every last drop. The sounds she was making made him almost cum in his pants then in there.

Ichigo moved his tongue out of her hole and replaced it with two fingers scissoring her pussy to try and get her ready for his size. "Nnnangh" drool started to form out the corners of Rukia's mouth as she fell into a daze, there was a tightness forming in her lower belly for the second time but this try seemed more intense, all the heat in her body seemed to want to focus to her core.

Once Ichigo started nibbling on her nub while sticking 3 fingers inside her at a merciless pace which felt 10x better than anything she's ever tried, it was over. The smacking and sloshing sounds his hand made against her pussy told her how wet she was but she didn't care any longer, the feeling felt too good to be ashamed of.

Rukia had the best orgasm she ever had in her life. Cum spilled like a waterfall onto Ichigo's fingers.

Blinding white light shown for what felt like hours and she spasmed, falling to the bed with only Ichigo holding her up and still mercilessly finger fucking and licking her as she rode it out.

Standing, Ichigo flipped Rukia over onto her back, her dazed and lust filled eyes regarded him as he slowly licked his three fingers and chuckled darkly as he watched her eyes darken to an almost black blue with need, her thick and long eyelashes falling hazily like a veil over them, and she begin to whimper. "Ichgio.." She started. He thought it was the most beautiful thing he'd ever seen in his life, and it was all for him.

"Get on your knees in front of me Rukia." At this point Rukia knew there was no point in questioning him. She got off the bed gingerly, still feeling the after math of her unbelievable orgasm, the sensitivity ringing down there with each movement eliciting a soft moan each time.

If Ichigo thought he couldn't get harder than he was wrong, just from seeing Rukia do this and her towel slowly fall to her hourglass hips showing her perfect B-cup breasts, pale with mulberry nipples, full, and looking like the most bitable breasts he's ever seen in his life, made his dick almost hurt with need to be touched.

He's wondered as her body grew, if she was as soft as she looked. Tonight he'll be finding out.

"Pull down my pants and pull out my cock now" Ichigo commanded. Rukia's eyes widened to saucers but she did as told.

When she pulled his pants and boxers past his huge erection it almost slapped her in the face. He was at least 9 inches and really thick; there was NO WAY he was going to fit into her! Rukia was starting to get scared, but once Ichigo said, "Touch it" that fear was forgotten.

Just from those words her flood of desire overwhelmed her. She was curious now; the precum that came out of the tip made her question what it tasted like.

Rukia touched the tip and spread the precum around gaining a guttural moan from Ichigo. She liked the sound of it and wanted to hear more so she started to rub him up and down his shaft like she read in some of her manga's. "God. Rukia" he moaned. With her other hand she cupped his balls and rubbed gently. Slowly she placed her tongue at the base of his cock and slowly licked her way up the length of him. "Oh god, Rukia! That's it baby don't stop. Ugh~"

Dragging her tongue back down to his base while still stroking his shaft and rubbing his balls, she this time sucked one side of his length up his cock, slightly grazing him with her teeth. "FUCK!" His voice was almost pleading and it brought out the domineering side of her, which liked this submissive side of him.

Thinking that, that was enough teasing Rukia took him into her mouth, starting with short strokes until she was halfway down his shaft and almost touching the back of her throat. Again she wondered how he was going to fit into her! Not that she'd let it get that far, this needed to end. She doubted he'd do it anyway, there was a line, and that one they definitely shouldn't cross.

Glad she had a good gag reflex; she pushed even deeper, stroking in a twisting motion on the part that wouldn't fit and using her other hand to still massage his balls.

"Oh shit! He groaned" This was better than he ever imagined, better than he ever experienced, if he wasn't careful he would've come undone 4 times at least throughout this ordeal. Luckily, his stamina wasn't to be played with, but really! Even the best filatio girls at his school couldn't get him this far down and this was Rukia's first time!

Rukia took his shaft out of her mouth and continued massaging it; she then started sucking on his balls until satisfied with the urgent moans elicited from that. His hands couldn't hold back anymore as he placed them into her silky soft raven tresses and gripped tight.

She moved her mouth back to his cock and started at the tip with slow deliberate circles until she took in all she could of him, sucking hard and harshly onto his steel rod, feeling him buck and pant. His hands anchoring her head to an even pace as he fucked her mouth raw. The moans and whimpers she made in his throat sent bolts straight to his nerves. When he was too close to his point, he let go of her hair and tried to back out of her. Rukia had other plans though; she gripped tight on his legs stopping him from movement and used her hand to rub at the sensitive vein on the underside of his cock. That's all it took for him to explode into her mouth, squirting his thick cum down her throat were she swallowed greedily. He tasted like strawberries but slightly salty, she couldn't get enough of it.

"Damn Rukia", Ichigo couldn't believe it. Rukia slowly slid him out of her mouth and looked up at her big brother innocently, making him hot all over. There was still a little bit of his seed that overflowed onto the side of her mouth which she seductively scooped up with her finger and placed in her wicked wanting mouth. Ichigo could feel himself getting hard again just from that. There's just something about seeing your seed on the woman you desire. It shows his claim to her, showing that only he could get her this dirty.

"Are you done punishing me now brother?" Rukia asked innocently. A part of Rukia wanted this to continue, she wanted to finally be one with her brother but the logical side kept screaming at her that this is wrong. Her brother couldn't possibly feel the way she does anyway.

All Ichigo could do was chuckle as he kicked off the rest of his clothing and laid down on the king sized bed and placed his hands behind his head in somewhat of a relaxed position.

Thinking this was possibly his agreement to it being over, Rukia quickly replaced her towel over her body and stood to leave. Before she could get 4 steps away Ichigo tsked.

"Now where do you think you're going Rukia?"

"To take a shower baka."

"You don't think you got off that easily did you?"

Rukia didn't answer but instead turned to look at the smug grin on her brother's face with wide and scared eyes. "Nii-san, I told you I'm sorry. What more can you do to punish me?"

"Well, I'm going to ruin you for any other man." If Ichigo thought Rukia's eyes couldn't get any bigger, he was wrong. "I'm going to fuck you so hard you won't be able to walk right for days. But first, you're going to hop on my dick and ride it like you do your horse and put those beautiful thighs to use."


AN: Okay so I'll try to post the second part today if my mom gets off my back. Since I'm sick that supposedly means I cant get on the computer *roll eyes*. I'm only on here now with the pretext of homework posting, luckily for me that's all I had to do for this chapter, that and some proofreading.

As for the chapter, descriptive? I know right. I like my lemons to be long and in detail, it helps make it more realistic. Though I see why I lot of people don't do it, this chapter alone took me almost 2 hours -non stop- to make, phew! I only have one position done on the next chapter and that took almost as long but I can't say it wasn't fun, I did a lot of lemon research. Thank Princess of Poison for that, hands down one of the BEST lemon writers on FF! I borrowed some of her lines from a ByaRuki fic she made, you 'll be able to pick it out if you've read it.

I may tell my mom I'm just doing homework and finish up the lemon today, hopefully she won't try to read over me O.O I'm sure she wouldn't approve of what she read. "Yeah mom I'm writing porn for English class", that line wont go over too well, I can see her face now xD

Anyways Review as always, love you guys!