Four Bones and One Tiny Human

by StormyFictioners

The UnderSwap Brothers end up in UnderFell staying with their doppelgangers. This is a journey of their discovery of romance and difficulties in becoming a family. Rated M for sexual content. Each chapter will have Characters and a Summary at the Top. We don't own Undertale. ships include: EdgeBerry and HoneyMustard. later Fellcest and Swapcest. -Check out our poll-

10. Chapter 10

Four Bones and One Tiny Human: Part Ten

Setting:

UnderFell

Characters:

Fell papyrus- Fell

Fell sans- Red

Swap papyrus- Stretch

Swap sans- Blue

Human- Frisk (girl)

Doggo

Summery:

Red and Blue shower scene (nothing lewd besides their topic of conversation). Angry Drunk skeletons. Drunken shenanigans and slight Fellcest.

P.S. this was translated mostly from google translate so all of these could be wrong so please don't be upset if they are wrong.

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-PART 10-

Red woke up the sticky cum dried and crusty on his bones. With a groan he untangled his and Stretch's bones making his way to the shower.

Stretch remained asleep of course.

Blue woke with a soft whimper he felt gross and hot he crawled out of Fell's arms and headed for the shower.

Grumbling Red opened the door yanking a towel and hopping into the shower. Struggling in his semi asleep state to get his towel over the bar.

Blue stumbled in after right into him "ow!"

Red growled snapping, still waking up. "Watch it!" there was a long pause as Red realized who was in the shower with him. His eyes trailing down to Blue's dirty bones with a small growl.

Blue blushed and covered up "I'm sorry! I didn't see you!" He squeaked

Red gaze snapped back up at Blue his glared fierce though under his anger lied a feeling of betrayal and sadness. "What are you doing in here? I got here first."

"I uh sorry I'll leave" he said unsure why he was so angry. he climbed out grabbing his towel and backing up

Red let out an angry shaky sigh. Trying to reign in his anger. "... Nah... It's fine... Come on we can just take one together. Waste less water that way. Plus I might need help washing my back. Normally just have Stretch help but he's still asleep."

Blue frowned but nodded "okay..." He said climbing back in not seeing anything lewd with it

Red nodded turning on the water and humming contently as it slightly burned his bones.

Blue grabbed a sponge and began gently washing the other. "Why do you like it so hot?" He asked

Red gave a small groan popping a few of his bones and relaxing at Blue's gentle touch. "Burns everything off... Sorry. if it's too hot we can turn it colder."

"No it's okay... good for slowly waking up" he said

Red nodded giving a large yawn before grabbing a sponge himself and starting to scrub his front. Stretch had sure made a mess last night

"I... Um why were you mad?" He asked quietly

Red tensed with a huff he turned around jabbing a finger at Blue's tail bone. "Why do you think?"

"Ow!" He squawked placing his hands in front of his pelvis tears springing up at his anger "I don't know!"

Red grumbled crossing his arms and turning away. "Because I don't want you two to do that."

"Do what? Oh..." He said "but... We love each other..." He said "w-why is it okay for you guys?" He asked

Red grumbled raising his arms in frustration as he whirled around. Red had tears in his sockets as he semi shouted "because I don't want him to grow up yet!"

Blue blinked before frowning softly hugging him "this won't change him..." He said softly

Red huffed swiping at his sockets grumbling "that's what Stretch said... We are just doing so good recently... I don't want things to go back to how they were."

Blue nuzzled him "things will never go that way Fell loves you and he's learning to express it now... Things can only get better" he said

Red grumbled "sure. Whatever now get off me ya berry affectionate skelly. Heh heh"

Blue laughed slapping his shoulder blade at the pun "no! Bad pun!" He said trying to cover his giggles

Red chuckled "eh you're laughing. Now let's get clean. Then you can fix me some breakfast heh heh"

Blue nodded and began cleaning himself up scrubbing at his pelvis "is it always so uncomfortable feeling?" He asked Sans

Red tilted his head. "What part?"

"The um wet part... Fell and I um we tried the sex but... I don't think we did it right" he said turning a bright blue. he knew Red was the last person he should talk to about it but he had no other source of information

Red grumbled quietly but nodded. "Yeah when cum dries it's kind of gross feeling but normally afterward you are too tired or too caught up in the moment to care... Why do you think you did it wrong? Did it hurt? You aren't hurt are you?" Red scanned Blue slightly worried.

"Uh no... But... I was um... I didn't... I was the only one who um... Came" he said twiddling his fingers

Red blinked "oh..." Red awkwardly patted Blue's arm trying to think of something to comfort him "that's okay. It happens. I mean it happened yesterday for me and Stretch. Not every time will be perfect. And it was your first time."

Blue nodded ringing his hands "okay..."

Red turned Blue's skull to face him "hey. Don't worry about it... It was probably for the best anyway. Assuming you were bottom."

"Bottom? What's that mean? How can I make him feel good too?" He asked

Red chuckled turning to grabbing the sponge again to continue washing. "Well to put it simply did you make a slit or a dick? Slits which are the girls are bottom. Depending on the angle that is but let's not worry about that now."

"Oh yes! I made that and um I didn't get to see what he made but it bulged so I think it was a dick" he said

Red nodded "I would think that would fit his personality. Kind of glad you guys didn't go too far. Not sure how you would feel about being filled with cum. If it's anything like Stretch it's quite a bit. Heh but Stretch is perfect."

Blue stared at him a moment "wait... It goes inside me?!"

Red chuckled nodding "yup and if you keep at it might even go up to here." Red motioned to how far up Stretch's tentacle had traveled. "Heh it'll drive ya crazy. Make ya a quivering mess... Heh but Stretch loves it and it feels amazing. Gets your heart a poundin' and your brain goes numb. It's like a drug. Can't get enough."

Blue's eyes widened "no! Nonono! That'll kill me! How did it not kill you?!" He said in shock

Red chuckled continuing to wash "nah. Our bodies are just bones. It's the magic that's used for sex. Magic can be manipulated. However, my magic did form an ecto body for it, but in my case pleasure outweighed any pain. But you guys probably won't get that far for a while. I mean last night was your first time. Work your way up. Hey wash up water's getting cool."

Blue nodded and cleaned himself up "thanks for helping me Red... None of this stuff is in the dating manual" he said getting out when he was done

Red nodded stepping out and wrapping a towel around him before pulling Blue into a hug lightly patting his skull "yeah. Anytime... If it was anyone else I might not... But I want you both to be safe and happy. So anytime. I'm here for you."

Blue hugged back smiling "thanks" he said and pulled on his uniform

Red smirked murmuring "love ya Blue," as he passed him going back to his and Stretch's room

"Love you too" he said and went downstairs to make breakfast

Red smiled walking into his room rummaging around to find some clothes. He settling on a tank and a zip up hoodie with some shorts. Sitting on the bed to slip on a pair of socks before laying down next Stretch reaching up and poking his cheek whispering "hey... Hey... Psssst Stretch... Wake up..."

Stretch groaned "what this it beautiful?" He asks wrapping his arms around him

Red blushed giving him a sweet clank. "Talked to Blue... They tried having sex last night."

Stretch jerked waking up at that "what?!"

Red nodded chuckling "yeah. Don't worry from the sound of it they just fingered. Blue and I talk I explained it a little more to him while we showered. He didn't even know that dicks went inside the other person. Heh heh"

Stretch snorted before sighing "god we're assholes... Hiding all this stuff from them leaving them bumbling in the dark" he said frowning

Red nodded with a sigh. "They need to know... I told Blue some but left it open for him to ask more when the time came."

Stretch nodded and pulled Red into a deep kiss "yeah."

Red grinned kissing him back. With a smirk Red muttered "told him how crazy you make me. Like a drug always making me want more."

Stretch chuckled and kissed him deeply sliding his tongue in. He felt Red was the addicting one

Red moaned into the kiss tangling their tongues.

Stretch purred breaking it "glad I could excite you so"

Red hummed rubbing Stretch's skull "you always excite me. You sexy, horny skeleton. Heh heh"

Stretch rolled his eyes and got up "sure thing I'm the best but before we do more we need to eat."

Red nodded giving him a soft peck before making his way to the door "you are the best. The best thing to happen to me."

"And you me" he said smiling getting up and dressing

Red smiled blushing making his way to the kitchen "what's cooking good looking?"

Blue laughed "pancakes!" He said happily

Red chuckled sitting down. "Stretch should be here soon."

"Yay! Fell is in the shower" he said smiling

Red smiled mumbling "I love this family."

"Me too!" Blue said

Red jumped slightly blushing at being heard. "Yeah it's pretty great."

Fell walked in "what's great?" He asked in his clean crisp uniform

Red blushed shying away mumbling "just family."

Fell raised a brow "brother I can't hear you when you mumble" he said patting his head and leaning over a bit

Red turn a dark red. "I-i said I l-love this family. I-it's pretty g-great." Red tugged his hood up embarrassed.

Fell smiled and hugged him "I love it too" he said

Red chuckled pushing him away "okay okay enough affection save it for yours and Blue's pants off dance off. Heh heh"

Fell blushed "SANS THAT'S HIGHLY INAPPROPRIATE!" he yelled face and neck bright red

Red cackled loudly almost falling out of his chair. Leaning close Red smirked "that's not how Blue felt this morning during our shower~"

Fell made a strangled noise "Blue! What's he talking about?"

Blue giggled "oh Red and I showered together. He informed me more about sex. I know a lot more now."

Fell was beet red "I... Uh okay"

Red chuckled patting Fell's arm "don't worry we didn't do anything just talked and showered."

"I didn't say you did" he said he wasn't even thinking that though the mental image did bring up lewd thoughts.

Stretch busted in "I smell perversion!"

Red giggled snorting "it's Papyrus!"

"Oh what am I missing out on?" He asked slinging an arm around him making Fell blush "what is it?"

Red snickered "I told Pap about this morning with Blue. Hehehehe boss got so red!"

"Oh? Thinking impure thoughts?" He said and Fell pushed him off stamping his foot "no I'm not!"

Red and Blue chuckled. Blue wagging a finger at Fell "now Felly don't you know those are for night."

Red clutched his ribs laughing

"YOU ARE ALL INSUFFERABLE! I AM GOING TO GO GET FRISK AND YOU ALL BETTER BE OUT OF THE GUTTER BY THE TIME I'M BACK!" he yelled and stomped out red as can be

Red squeaked with giggles. "I've never seen him that red before."

Stretch chuckled "me either" he said sitting down

Red smiled "thanks darling."

Stretch kissed the top of his skull as Fell came in holding his baby Frisk over his shoulder

Blue giggled setting out the pancakes and motioning Fell over.

Fell went to him and kissed his skull before sitting with Frisk rubbing her back "time to wake up baby"

Blue frowned with a soft whine missing his chance to kiss Fell, but got juice for everyone instead of demanding attention.

Frisk yawned blinking heavily.

Fell pet her "you ready for breakfast sweety?" He asked

Frisk nodded

Fell smiled and set down making her and him a plate "after work today maybe we can practice swords again?" He said

Frisk perked up "please!"

Red blinked looking to Fell seriously "you want to do what... Again?!"

"I was teaching Frisk sword fighting basics" he said casually

Stretch frowned "couldn't you find a less violent hobby?"

Red nodded concern etched into his skull "yeah I have to agree with Stretch. Boss the kid could get hurt. Plus I thought you were working on getting this place to be safer."

"I am not teaching to hurt Sans just some fencing I would never teach her to hurt someone" he assured

Red groaned rubbing his skull "now you are going to tell me she's using a stick instead of a sword."

Fell didn't answer just drummed his fingers on the table awkwardly

Red looked up frowning "... What?"

"It's a small one I swear!" He said

Stretch frowned "you gave her a real sword?"

Red's skull turned a bright red his socket lighting up with red flames in anger. Red took a few shaky breaths. Shaking his head Red glared at Fell growling out "I'm going out." Red teleported out. He needed a drink.

"Wait Brother-" Fell said watching as he teleported he covered his face "I was teaching her how to be safe with it I promise" he said

Frisk let out a wail.

Blue sniffling and scrubbed his sockets.

Fell looked down and picked her up "sweetheart what's wrong don't cry!" He said rocking her and picking up Blue "oh not you too..." He said kissing him

Frisk sobbed "my fault! I asked!"

Fell shook his head "no dearie it's not your fault my dear. I should have discussed it with your papa's" he said rocking her "and maybe giving you a real sword was irresponsible on my part" he said trying to make light of it

Blue whined. "I agreed to it. It's my fault too. I'm so sorry. Everything was going so well too! Red is so mad."

Fell sighed and held them both close "it's okay I'll go talk to him and apologize and we can all discuss it at dinner okay?" He said

Blue shook his head "but he's so angry. He teleported away! How are you going to find him?"

"He's probably drinking somewhere. I know his haunts"

Blue nodded with a sigh. "Be careful... Be nice and gentle too... I don't want this to ruin what you both are working so hard on."

Fell nodded "yes I know I'll be careful" he said

Blue gave Fell a kiss before taking Frisk to wash away her tears.

"I love you two" he said and kissed them both.

Stretch himself had adopted a thinking face "Do you know where he would go? all I can think besides his post is muffs. But I'm not sure about this versions muffet."

"Grillby runs the bar here, but since he is dead Doggo took over" he reminded Stretch

Stretch nodded remembering "oh yeah. check there first?"

Fell nodded "I will"

Stretch sighed "do you want me to go with you?"

"If you want..." He said

Stretch shook his head. "No. It's your decision. You are the one apologising. Do you want me to come?"

Fell sighed "no... This is a conversation I need to have with Sans I guess"

Stretch chuckled patting Fell's arm "you got this. All else fails call me and I'll smooth it over."

He nodded and headed for Grillby's first

Red was sitting at the bar a shot of Grillby's hard whiskey in front of him and three empty glasses to his right. The alcohol had made his lips loose and his speech slurs slightly as he ranted to Doggo "You don't understand I mean they let my baby girl have a knife. MY BABY GIRL! Not a stick but a knife. What if she got hurt or Boss? And they did so without even telling me! Snuck out to do it!"

Doggo frowned nodding "well a kid has to learn sometime right?" He asked patting his hand awkwardly "was he actually fighting her?" He asked worried

Red growled downing his glass with a shiver and motioning for another "I don't know. But he's suppose to get this hell hole safer. Don't know why she'd need to know then. I don't want my baby girl to be like me."

Doggo began pouring a drink "I don't think sword lessons will make her like you" he said

Red gave a low whine "I don't want dust on her hands. It's bad enough I ruined Boss's childhood... I don't want my baby girl to lose hers. I don't want her to lose her hope and be a regretful one HP loser like me."

Doggo nodded "I suppose those are valid fears" he agreed.

Papyrus opened the door and saw Sans immediately and began walking over. Doggo thought for sure he would beat Sans right there. He had seen this happen before. Instead he wrapped his arms around him from behind in a hug "Sans! We were worried sick!"

Red grumbled weakly pushing at him "leave me alone 'm mad at you."

Fell shook his head and nuzzled him "I'm sorry I made such a decision without you... I truly saw no harm in it" he said

Red grumbled crossing his arms pouting "my baby girl. with a sword. Fighting the CAPTAIN OF THE ROYAL GUARD! DO YOU SEE THE PROBLEM NOW?!"

"Sans! We were never fighting we didn't cross swords at all! I wouldn't let her hit anything! She doesn't want to hurt anyone she just thinks it's fun to bond over" he said and nuzzled his skull. "I promise I won't make her like us... Maybe Blue though..." He said thinking of the sweetest member of their household.

They looked very sappy and vulnerable someone could try and attack them right now. unaware. however, Papyrus was always aware of his surroundings.

Red nodded a dopey smile coming to his face. "You really mean it. I don't want my baby girl to be like me. I lost you I don't want to lose her too." Red scrubbed his sockets as tears starting to collect

"You won't lose her Sans" he promised and clanked his cheek. "And you found me so it's not all so bad right?" He said

Red nodded numbly. "I. I did... You're a great brother pap. I'm sorry I'm such a disappointment!" Red drunkenly sobbed

"You aren't a disappointment you are the best brother someone can have" he said kissing his cheek

Red sobbed into Fell's chest clinging to him. "I'm sorry I should be better. I shouldn't have ran off. I wasn't going to drink anymore! I'm the worst. Why do you keep me around I'm better as dust. I'm so sorry. I don't deserve you. I don't deserve to live! I don't deserve love!"

Fell frowned and held him rocking him gently "Sans you know that isn't true we love you we've always loved you... And Frisk would be so unhappy to not have her dad anymore..." He said nuzzling him sincerely. "Everyone stumbles Sans you've been so good and you'll continue to do better I believe in you" he said

Red sobbed clutching him tight "P-pappy!"

"Sans..." He continued petting him

Red sobbed grossly, but soon they started to taper off his clenched fist relaxing. "P-pap..."

Papyrus smiled "yes Sans?" He asked kissing his temple

Red whined slightly slurring "can we go home... i just want to sleep."

Fell nodded cradling him "of course brother." He said and looked at Doggo "what's his tab?" He asked

Doggo was sort of in shock at the display "uh it's nothing. on the house"

Red whined clutching Fell close, starting to cry again "i don't want to pay. please don't make me pay. i can't. not again. why won't they just take gold."

"Sans they aren't asking you to pay I promise" Papyrus said "I would dust them if they tried... They only want gold" he promised hugging him tighter "isn't that right Doggo?" He asked.

The dog nodded his head immediately "that's right! Gold only!" He promised

Red gave a small sigh of relief at that mumbling into Fell's chest "couldn't do it again. Can't do it with Stretch. Memories."

Fell nodded walking out into the chilled air with him "yeah it's okay" he said gently "it'll get better" he said

Red whined "i don't want better. Want over. Done."

Papyrus nodded "I know brother but things take time just like fixing our home time" he said

Red grumbled barely awake "don't like time. Always lying. Have too little or too much"

Papyrus chuckled "true" he said

They went about small comments until Red was almost asleep when he felt his stomach lurch. "Pap i'm going to be sick!"

Papyrus gasped and set him down holding him carefully.

Red collapsed to the ground coughing before leaning over an emptying the little he had in his stomach.

Papyrus frowned and rubbed his back "it's okay Sans you're okay" he said gently, eyes moving around to make sure no one attacked.

Red let out a small sob dry heaving.

Fell rubbed his back waiting for him to finish

After a few more dry heaves Red plopped down on his tail bone. Tears creeping down his cheeks

Papyrus leaned down rubbing his shoulders "are you okay now?" He asked softly

Red slowly nodded tugging at his jacket.

Papyrus picked him up and began to carry him home

Red groaned rubbing his skull into Fell's chest.

"You should have eaten breakfast" he said

Red whined nodding "your fault."

"Sure brother" he said

Red grumbled quietly "it is. You freaked me out. Make me worry. Not fun."

"Sorry Sans we can discuss it as a family later" he said walking into the house

Blue stood up rushing over to them "I'm so sorry Red. Please don't be angry at Fell. It was my fault too. I'm so sorry. I was irresponsible. I understand if you're mad at me."

Fell set him down "it's okay Blue... We'll talk about it later can you go mix some ginger water for Sans please?" He asked kissing his boyfriend

Blue nodded rushing off to make the beverage.

Red groaned mumbling "I don't think I can handle anything bro. 'm bone tired. Mouth taste like shit."

"Well let's get your teeth brushed and the tonic in you then you can sleep."

Red groaned but nodded still clinging to Fell

Fell took him to the bathroom and shuffled him to one arm using magic to fish out his toothbrush and toothpaste fully willing to brush his teeth for him

Red sighed uncurling one hand from Fell's shirt reaching weakly to the toothbrush. He felt tired, weak, and dysfunctional. The toothbrush kept changing from one to two toothbrushes.

"Sans I can do this for you if you would like" he said softly

Red looked up to Fell confused and slightly shocked his drunk self not comprehending "...why... Why would you... Why are ya being so... So nice..."

"Because I love you and want to take care of you like I should have been" he said taking the brush and began cleaning his brother's mouth quickly and efficiently

Red awkwardly nodded. his eyes blinking heavily at Fell.

Once his mouth was clean he carried him to bed where Stretch was actually making it for him

Red gave a small gasp tugging on Fell to get his attention whispering "w-whos that?!"

"That's your boyfriend" he said holding him "remember?" He asked softly

Red gasped looked up to Fell his eyes wide in drunk shock whispering "really?!... He's so handsome. He's really pretty." blushing Red hid his face "I was gonna ask for his number."

Stretch snorted "honey you can have my number and my kid" he snickered loving the cuteness

Red squeaked hiding his tomato red skull. Something about the comment made his soul quiver, but his drunken self couldn't think why.

Blue smiled walking in with Red's glass. "How is he doing?"

"He's drunk" Fell said "but it's going okay. you have the tonic?" He asked smiling

Blue nodded smiling handing the glass to Fell.

Red whined burying deeper into Fell's chest "nooooooooooo."

"Sans. you need to drink it brother... It'll make you not puke again and feel better while you sleep" he promised

Red whined shaking his head "nooooooo I don't wanna.."

"Love you have to drink it" Stretch said and took his hand "I'll nap with you if you do... Don't you want a handsome skeleton to cuddle with?" He chuckled

Red pouted but nodded whining "I wanna cuddle." looking up at Fell sadly silently asking if he truly had to drink it.

"You have to drink it Sans or no cuddles" he said holding the glass closer to him "now don't be a babybones" he teased

Red whined but took the glass his hands shaking as he tried not to drop it. Tilting it he drank it quickly grimacing at the flavor. Pouting Red muttered "you owe me mustard... Mustard and cuddles."

"Of course brother/Red" Fell and Stretch promised at the same time before glancing at each other and snickering

Red giggled "you're twins... You look alike... Heh boss You're pretty." Red poked Fell's chin lightly.

Fell blushed "brother that's inappropriate" he said and Stretch elbowed him lightly "like Red and Blue in the shower together?" He teased making him blush more

Red giggled patting Fell's cheek "but boss... You are. You look just like him..." Red mumbled slurring slightly as he leaned up eyes focused on Fell's teeth. "Never seen it... Handsome... Scars make you look rugged... Sexier..." Red licked his teeth his eyes unfocused.

Fell thought he was gonna die. "If you still feel that way sober we'll talk. how does that sound?"

Blue felt tears well up but he quickly wiped them away heading back to Frisk.

Red blinked smiling slyly. "Heh but I wanna kiss ya. Ya playing hard to get." yanking at Fell's chin Red connected the two sloppily his tongue lapping at Fell's teeth.

Fell and Stretch gasped loudly. Fell's mouth falling open in shock allowing his brother's tongue in, his own instinctively manifesting. he quickly pulled away and passed him to Stretch "yes yes hard to get um after your nap we'll talk..." He said "now rest with your boyfriend I have to go..." He said and booked it downstairs to see Blue

Stretch held him "well that was fun"

Red frowned at being yanked away his tongue still poking out slightly. "Why'd boss leave... Does he not love me."

Stretch smiled and nuzzled him "he loves you more than anything Sans" he said kissing his cheek. "Just needs to check on our baby she's really worried" he said

Red nodded his eyes inching close at the nuzzles.

Stretch purred softly and laid down with him

Red hummed his eyes closing mumbling "love you."

"Love you too" he said going to sleep with him.