Future Bonefriend

Undertale (Video Game)
F/F
F/M
M/M
Multi
Other
G
Future Bonefriend
Summary
Read some drabble prompts, got some drabble requests, and the shell of a plot was born! I wanted to put the original drabble bits up to see if anyone would actually be interested in reading a fic by me. lolCHAPTERS WITH SMUT MARKED AS SMUTTISODES. Ya dirty sinners.The basic gist of the story is that Rian accidentally meets Sans, which leads to them meeting everyone else and being somewhat adopted into the group. Sans and Rian jokingly refer to themselves as dating, but neither of them is willing to make the push yet. VERY slow burning. Kind of a lie. they sort of admit they're dating? But it's like... hanging out and playing videogames and going to dinner type dating. They don't refer to each other as boyfriends or......... you know what, idk. It's all up to interpretation. Let's just roll with it.NOW WITH MORE UNDERFELL?! Rose is a young girl that winds up trapped Underground int the Underfell universe... but she can apparently handle herself. ALL UNDERFELL CHAPTERS WILL BE MARKED AS SUCH. Rian and Rose are not the same character, and come from two very different worlds.Palms sweaty kneeS WEAK ARMS SPAGHEtTI
All Chapters Forward

Ballon-Fight-Dancing, and Story Time with Sansy

9: Anon: BALLOON FIGHT!!! Anon: Can we get a MTT vs. Rian dance off? I’d like to actually know about some of Rian’s moves. Anon: Can we have another kind of romantic moment for Sans and Rian? Does Rian even know that Sans is being serious?

(A/N: WHY NOT ALL THREE? I’ll list some sweet songs I got some inspiration from, too. ;) shameless shipping and fluff abound. You have been warned. JFC was this fun to do as I defiantly fought my cold meds. You have been warned even more. I also got some inspiration from some of the Dancetale animations and a few MTT vs Frisk fight animations floating around the Youtubes.)

MUSIC: (In no particular order)
Tight pants/body rolls - Leslie Hall
Don’t Stop Me Now - Queen
See You Again - Miley Cyrus
Neon Rainbow - from RWBY (I FORGOT THE ARTIST HELP)
Shut up and want me - mash-up by Sam Tsui and Diamond White
(And a few more)

 

With only a few weeks of Summer left, it was only mildly surprising that Frisk had decided to attack. Rian was walking outside, obediently following Papyrus on a ‘short trip to get some spaghetti ingredients’, when suddenly, BAM. Water and balloon chunks everywhere. Clearly, Paps and Frisk had teamed up to play a trick on Rian.

Such treachery could not go unpunished. This meant war.

Undyne, hearing the screams, had looked out the window and surveyed the situation. She’d shown up with a bucket of balloons and several waterguns, quickly joining Rian’s team. She opened fire as the teen ducked and rolled in the slippery grass. Next to show up with Sans. He was, of course, a neutral party and just had fun teleporting in and out of harm’s way while he egged everyone on. Then came Tori with popsicles. Then came Alphys with a camera.

About an hour into the war, Metaton showed up. He’d come by the complex a few times before, but he had never actually seen Rian’s body in action. The star was intrigued. He had been thoroughly impressed by his fight with Frisk, but had thought the child to be an anomoly.

“My goodness darling, you can really move! Have you ever considered dancing as a proffession?”

Rian blushed, but beamed with pride. “Not really. I’m a lot better at moving when I’ve got obstacles and stuff. The water balloons are fun to dodge.”

Sans’ dislike of Metaton was obvious to almost everyone, of course, so he couldn’t help but speak up. “don’t be so humble kid. we’ve seen you dance. you could hand this calculator his own butt back on a silver platter.”

Needless to say, neither Rian nor Metaton would back down from a challenge, and so a stage was set, music and all, in the parkinglot. Frisk encouraged a battle between the two of them. Rian could tell this made both Sans and Papyrus nervous, but Rian was game, and the rest of the group found the idea at least a little fun.

Rian stood confidently as his soul was pulled out. At his request, Sans had already shown it to him several times. It swirled with shades of yellow, purple, and green. Like a lot of adult humans, Rian had multiple traits, and they would sometimes change or grow dimmer depending on what he was doing. Right now, his most dominant trait was the purple of Perseverance. Metaton was bigger, more experienced, and had a better grasp on what was about to happen, but Rian wouldn’t let that discourage him.

Rian went first, deciding on the simple ACTion of a taunt. “Come on, Mr. Roboto, let’s go!”

Metaton grinned, raising an arm to point at Rian as he spun. “Careful darling, I won’t be going easy on you just because I like your spunk!”

The Z shaped projectiles came at, Sans had to admit, a perfectly reasonable pace. Rian laughed as he swerved and spun, throwing in a playful pose to Mirror the robot. “I’m almost insulted, I thought you were supposed to be a challenge for me? I mean, CAN you even dance?”

“You asked for it, hun!”

Suddenly, everything was moving much faster, Rian and Metaton dancing around each other as if they’d rehearsed. Tori let out a gasp as Rian actually rolled between the robots legs, stood, and gave a butt-bump in one fluid motion. The two playfully tried to hit each other every once in a while, but mostly they were just swinging with the music.

“Not bad, darling!” Metaton said finally as the music ended and he let the magic disappate. Rian was panting as his soul returned to his body, but the flamboyant older man still came off as very fresh. “It’s a good thing that my batteries have been upgraded. You were a lot of fun to play with! I only regret that I can’t really join your fun. I’m mostly waterproof, but...”

Frisk gave a happy clap, running to the MP3 player gleefully. More music was now playing as the younger kid dragged Papyrus and Sans over.

“Why Frisk, darling, do you want to dance as well?” (vigorous nodding as they pulled the embarrassed skeletons along) “Fabulous! Dancing before dinner is ALWAYS an excellent idea!”

With barely so much as a protest, Metaton and Papyrus were swinging Frisk around to the beat of the music while Undyne dragged Alphys over, Tori smiling as she held the camera.

Sans, his cheekbones dusted with a blue tint, held a hand out to Rian. “might as well, ay kid?”

With a low giggle, Rian took the hand. “I can’t really say no to my bonefriend, now can I?”

Slowly, with a wink from Frisk, Tori changed the music on the player to a slower, more ‘lovey’ type of song. Sans glared, but didn’t back down. At this point, everyone but Rian and Asgore openly knew that Sans was courting the teenager, and Sans was not ashamed. He did, however, wish that everyone would chill out and just let it happen at its own pace.

Oh don’t you dare look back
Just keep your eyes on me
I said ‘You’re holding back’
She said ‘Shut up and dance with me’
(Boy, there’s nothing I)
This woman is my destiny,
(no I wouldn’t do..)
She said ‘oooooh’
Shut up, and let me get up next to you!

Rian was blushing a bit now, his hands on Sans’ shoulders and his eyes focused firmly on the skelleton’s chest. This was yet another moment that he was glad that the human was a few inches shorter than him. Bare-bones and without slouching, Sans was around 5’5 inches. If he had to guess, Rian couldn’t have been more than 5’1. The human was built like a ballerina, though he was anything but dainty.

“you got work tomorrow kid?”

“N-nope... they’re starting to cut my hours again, since I’ll be back in school by the time the computer rigs up the next schedule...”

We were victims of the night
A chemical, physical, kryptonite.
Helpless to the bass
And the fading light,
I knew we were bound to get together,
Bound to get together!

“wanna go on another date, kiddo?”

“Yeah! I mean... sure?”

Boy, you’re the one,
I want you to want me!
And if you want, then boy, you got me!
There’s nothing I, nothing
that I wouldn’t do...
Shut up, and let me get up next to you!

“anywhere you wanna go? or we can hang out at my place... the calculator is here to pick up Paps for the weekend. i got the next two days off.”

Rian blushed, glancing up, and then back down. “I’d like that. I already come over all the time to hang out with you guys, though. You sure it’s okay?”

Sans grinned. “if i’m not hanging out with you, i’m either vegging out alone on the couch or spending all my hard earned cash at grillby’s. if you don’t come around, i’ll probably waste away.”

You open the door, there ain’t nothin’
but a smile drawn to the floor
(My disco-tech, juliet, teenage dream)
You whisper in my ear
‘baby I’m yours’
(I felt it it my chest as she looked at me)
I knew we were bound to be together,
Bound to be together!

Rian grinned. “I guess I have no choice then. What would you do without me?”

Sans winked. “i’d be pretty bonely, sweetheart.”

Stifling a giggle, Rian nodded. “Can’t have that, can we?”

“nope.”

Deep in her eyes, I think I see the future.
I realize, this is my last chance.
She took my arm, I don’t know how it happened.
We took the floor and she said...

Rian was hiding against Sans’ chest now. “Boneboy...?”

“hmm?” The skeleton was nearly purring.

“You know I like you... right?”

Now Sans wanted to hide too. He glanced around and answered quietly. “i uh... i’d hoped it was kinda obvious how i felt. i’m not pushing you, am i?”

You’re the one,
I want you to want me.

“Uh...” An audible gulp “I was worried you might just be teasing me.”

And if you want,
Then boy you got me...

Rather than feeling offended, Sans laughed quietly. “stars, kiddo. i’m awfully invested for a guy that might just be leading you along, don’t you think?”

...Destiny...

Rian coughed awkwardly, as if just realizing that, for the first time, Sans WAS pretty invested. The ‘several dinners, a few movie theatre visits, and a trip to the zoo’ kind of invested. “Fair enough.”

Sans smiled, gently petting Rian’s hair. “kid... we can go as slow or as fast as you want. i like spending time with you, and you like spending time with me. for now, that’s all we need to worry about. you’re still in high school, and i’m almost a decade older than you. i ain’t gonna be pushy, cause I’d like this to work. i like to go for the ‘slow burn’ approach when it comes to my friendships and relationships. and that’s especially necessary with you bein’ my underaged neighbor.”

“In other words... Don’t tell dad?”

Sans laughed. “right... although ‘mom’ over there apparently approves...” Sans sighed, sending a pointed look at Tori. She was shameless enough that she actually waved.

Rian looked up just as Tori started to change the music again, suddenly realizing what was going on. “She isn’t...”

“oh, she is, alright. and i’m getting close to ‘i’m aboutta’ here in a minute... hey kid, wanna see a magic trick?”

Rian grinned, already knowing what Sans had planned. “Think Frisk has anything good?”

“i know for a fact they have some Fallout Boy in there that Tori doesn’t know about.” and with that, Sans’ eyes changed, and the MP3 player was tugged from Tori’s hands. “let’s see how scandalous this can get for goat mom...”

(A/N: Somewhat heavy-handed lyrics are somewhat heavy-handed. lol I hope you guys enjoyed! I also hope you don’t mind that I put three requests together. I feel like a dirty rotten cheater, but they all seemed to fit decently within this story’s flow. I’m thinking of going ahead and starting to build off of the drabbley bits and turning them into chapters... things have been a bit hectic in my homelife though. I can’t really write as much as I’d like e_e; Either way, I’m sorry you guys had to wait so long for these updates!)

10: Anon: STORY TIME WITH SANS!!! I always find it interesting how different Sanses explain the timelines and stuff to readers and OCs. STORY TIME.

(A/N: I was already contemplating how to write this scene out so THANK YOU FOR FORCING ME TO ACTUALLY DO IT.)

The question was inevitable, Sans knew that. Rian was a perceptive kid, and it was only a matter of time before he noticed Sans’ sleepless nights, or how Frisk sometimes made him nervous, or the way he avoided some topics. Rian had been a member of the group for six months now, and had been living with Asgore a little over a month. It was a Friday night, around 10pm. Frisk was already in bed, since they had to maintain a schedule under Tori’s roof. Papyrus was out with Sans’ least favorite calculator and would probably be gone until sometime the next day. Asgore and Toriel were having tea in the ex-queen’s apartment, so Rian and Sans were alone watching TV. The question was inevitable, and Sans was glad that it was on a night like this, when the answer would not be disturbed.

“Sans... I’m kind of worried. I know there’s stuff you can’t really tell me about your past. But like... I can see something’s wrong. The way you look at Frisk sometimes, the bags you have under your eyes some mornings... is this something I can ask about?”

Sans inhaled, then shakily exhaled, trying to decide where to begin. “well... it’s hard to talk about. but it’s somethin’ you oughta know anyway... mind if I lock the door? King Asgore and Tori... they don’t wanna hear about it from me.”

Rian nodded vigorously, but blushed. Having been raised in a small-town farming family, and then by nuns, he was very selfconcious about being alone behind closed doors with his ‘bonefriend’. “Whatever you need, boney.”

Using his magic, Sans locked the door handle, and even slid the bolt over. He didn’t want Paps barging in either, by chance. After a few seconds of deliberation, he put an arm around Rian and gently rubbed his arm. He needed the comfort, and Rian might need it too before the end.

“well you know a bit about my void magic, right?” Rian nodded and Sans continued, “it gives me a bit of... let’s call it ‘Quantum Awareness’. through the powers the void gives me, i can... feel things. universe things. i’m aware of other universes and timelines, and i can see them play out... kinda like watching a movie. i can’t really remember it as if it was happening to me, but i know the stuff that took place...”

Rian put two and two together. “Frisk... or another Frisk, I guess? They did something... bad.”

Sans coughed, nodding. His throat was suddenly a bit tight. “yeah. our Frisk... well, we’re blessed, in a way. they aren’t perfect, but other Sanses had a much... worse time. one thing that is constant across nearly all universes, is that Frisk can sort of... well, sort of control time. I call it resetting, saving, and loading. like a videogame, only much... darker. because of Frisk’s main trait, determination, they were able to de-terminate. to come back and start over if something went badly wrong. i mean, if you think about it, one little kid going through a giant cave full of semi-hostile creatures... one would call it a miracle that they made it without a scratch. well, they didn’t.”

Rian was silent, but found Sans’ hand and squeezed it. The skeleton continued. “The first time they woke up, before they reset... I didn’t even meet them. They had gotten attacked in the ruins, and fought back. the kid didn’t know that they didn’t need to hurt anyone and... well, they felt so disgusted with themselves, and the way Tori looked at them afterwords, that they reset on accident. i was already somewhat suspicious, when we first met. i saw it like a dream, and when i woke up again, a few hours after the first time i was aware of waking up that morning... well, you get what i mean. i could tell something was up. i kept a close eye on the kid. they were perfectly gentle, becoming great friends with me n’Paps... but then they met Undyne, the first monster that really... had it out for them. Frisk wasn’t prepared. Undyne killed them before i was able to stop it. then i woke up again.”

Rian was tense. “You mean Undyne actually...”

“don’t hold it against her. if you bring up the way she went after Frisk nowadays... well, all’s been forgiven. anyway, Frisk came back, much more weary, but still determined. that time, they paid much more attention to the world around them. they even stopped to learn the history of monsters, that got carved into the wall in waterfall. they stocked up on monsterfood, too, so they could heal their soul. and that time they made sure to run away from Undyne whenever they could. They managed to get away, and even went back to hang out and be friends with Undyne... And thankfully they had some Spider Doughnuts with them, and Muffet went easy on them. Metaton and Alphys though... well that turned out alright, although I still wanna kill that damned calculator.”

Rian couldn’t help it and broke into a snicker, causing Sans to ruffle their hair. “then well... the next bit is a blur. something to do with Flowey? ask Frisk about him. Damned weed pisses me off even more than Metaton... anyway, they managed to, somehow, open up the barrier for us, and we went up to the surface.... until I woke back up in my bed in Snowdin.”

“But... Frisk saved you guys, right? I mean you’re here...”

Sans sighed. “Something... else was living with us down there. we found out later that W.D. Gaster had done... bad experiments. you know a bit about Tori and Asgore’s first children? Asriel and Chara? well... Gaster was scientist. after Chara had died he... he took their soul. and he put it in the main Generator.” Sans practically spat the last part, which Rian was still trying to comprehend. “he used a kid's soul to help maintain it. Chara... the experience changed them for the worse. being trapped, experimented on, syphoned off of... they became demented. and Frisk, having the same kind of soul... Chara found a way to possess Frisk. after waking up again in Snowdin... the next time I saw Frisk, they were covered in dust. Chara had started a killing spree. They killed almost everyone. i...including Papyrus.”

They sat in silence for a second, Rian unnaturally still. With a shaky breath, Sans continued. “i... as a side job, i’m sort of a royal judge. i was the last line of defense between Frisk-Chara and Asgore. i had to fight them and... honestly, given what they did to Paps, i was pretty intent on killing them. and... this is where our Frisk diverges from those of other universes.” Sans said, a hint of relief in his voice. “Frisk was stronger- more determined- than Chara. they were able, at the last moment, to beat chara down and tell me what went wrong. i was able to pin Chara and Frisk down and keep them from escaping... then I went to the generator. i’d like to say something about revenge being sweet but... mostly, i felt disgusted. still do, sometimes. i used void magic and put a solid beat-down on Chara, which made her leave Frisk. then Frisk reset one more time. the second they got out of the ruins, i met up with them. the fact that i dealt with Chara like i did made that particular timeline more... clear. more visible in my thoughts. we went and checked to make sure Chara was still down and out, and then went on, business as usual. That’s the timeline we’re currently in. probably. like i said, i don’t exactly remember anything concrete. i just... see things. sometimes i have nightmares about Chara. you’d have to ask Frisk for any specifics but... i’d be careful about it. they feel... very hurt by what Chara made them do.”

Rian shivered a little. “I can imagine... but you guys are okay, right?”

Sans blinked. “yeah, for the most part... you know, you’re taking this rather well...”

Blushing, Rian shrugged. In a surge of bravery, Rian scooted into Sans’ lap and hugged him tightly. “My b...boyfriend can teleport, defy gravity, and probably breaks several laws of physics that I’m barely aware of. Plus time is mostly just a social construct anyway... right?”

Sans smirked, nonchalantly keeping his own arms where they were, except to gently pet Rian’s head. Stumbling over the word ‘boyfriend’? Downright adorable. After the human had somewhat-confessed during the little dance incident, in quiet moments alone with Sans, Rian had started to relax and become very affectionate. “fair enough...” he murmured, unlocking the door. “let me know if you have questions though, okay? I don’t want you having a mental breakdown in the middle of school or anything...”

Rian nodded, leaning into Sans as they both turned their attention back to the TV. Nearly an hour later, Rian was practically asleep when there was a sudden, loud boom of a voice outside the door.

“Sans, keep your hands off of my son!” Asgore said playfully. The King had no idea they were dating, but knew they were good friends and liked to tease them.

Smirking down at Rian, Sans said his reply. “but Asgore, Rian’s the one that crawled ontop of me!”

Rian’s terrified leap from his lap and Asgore’s scandalized look as he opened the door, coupled with Tori laughing in the background, made the ‘two weeks with adult supervision at all times’ punishment more than worth it.

Especially since Tori, Alphys, and Undyne all counted as adults.

(A/N: This drabble was actually one of the easiest to write, tbh. It flowed out really easily... so there are probably thousands of spelling or grammar mistakes that I missed. I've noticed that most writers forget than Sans doesn't ACTUALLY remember the timelines, he's just vaguely aware of what's going on and super observant about Frisk's reactions. I imagine he has this awareness because of his relationship with the void, and that the more he participates in something, the more aware he is of what's going on. That's why he always remembers waking up, and why he remembers genocide runs in much more grim detail. ALSO A BIT OF TRIVIA: did you know that it you look at the generator, you can actually see a lil red heart glowin'? Freaky shit man. It's part of the reason I'm in the anti-Gaster camp. I subscribe to the theory that someone put Chara's soul in there a long time ago. Who else but Gaster would have? But eh, to each their own. Undertale is full of freaky shit.)

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