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  • Inter Dimensional Bros
    19.5K 868 19

    After unexpected events land Sans into the hands of the elusive ninja turtle brothers, he learns of the Kraangs evil plan involving him and his brother. (Completed December 2020) (Future me is here to confirm that this is a purely platonic Sans/Mikey friendship, just clearing up the inevitable panicked confusion you m...

    Completed  
  • How Did This Happen to Me? (Original by The-Punmaster)
    838 44 2

    I've wanted a bitty for a very long time. I was only planning on looking around that day, but when I had gotten lost and entered a rundown store with a handful of near-dead bitties, I just couldn't leave them there. Original by @The-Punmaster This story is available for adoption, you just gotta let them know on their...

  • How did this happen to me? (A Bitty story)
    1.8K 81 10

    I always wanted a Bitty. After careful research, I decided to adopt a Classic Sansy, one of the more common ones. I went to go adopt one, but I got lost and ended up in a different Bitty Center. A bad one. I found a Classic Sansy, and was about to adopt him, when he asked if I could adopt his friends too. Well, begged...

  • Sole Survivor (A Percy Jackson x Undertale Fanfiction)
    38.5K 744 18

    Sans had finally killed the human. He doesn't know why, but they just stopped coming back. He took their soul and, using the other 6 human souls, broke the barrier. Along his way to find a place to stay, he comes across Camp Half-Blood, and there he meets an old friend/enemy who's willing to take him in. His appeara...

  • × [Sickness] × || Undertale Fanstory || The Gasters/Skeleton Family
    5.5K 172 8

    One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still on the bed, just laying down or sitting on it under the blanket. The sickness can be seen from his face, half of his white skull was a little bit dar...

    Completed  
  • Gaster Blaster Sans
    22K 509 26

    What is wrong with Sans, and who is Gaster? This is such a reused Description. Undertale belongs to Toby Fox.

  • Undertale-Portal of Memories
    6.3K 240 19

    All of the different Sans and Papyrus copies from the AU are here and they are all living together under one roof! The original versions of themselves! What is the catch or the reason? That is rather simple, their own universes were all destroyed, the kicker is that it was not errors fault, they don't know what happen...

  • A SkeleTON Of Mystery
    13.5K 559 8

    The Barrier was broken. The monsters were free. Saved by the child of their jailers. A year has passed since monsters have felt the sun on their bodies once more. Frisk chose to remain with the monsters, living with their close friends under a single roof. Everything seemed to be in perfect harmony. ...Which always...

  • Secrets, Secrets
    7.7K 155 9

    What does it mean? It means that Sans is keeping to much shit to himself. The others relize this so they decide to do something about it. But what happens is nothing they would never expect. Sans shares his secrets unknowingly, but at what cost? *ALL CHARECTERS BELONG TO TOBY FOX!*

    Completed  
  • Hero Time Trio (Bad Time Trio X BNHA) (On Hold until I could think of an ending)
    124K 2.7K 26

    Bad Time Trio meets BNHA Disclaimer: I do not own BNHA, Or Undertale, or any of the AU or any of the pictures showed

  • Cryophobia - (Sans x Reader)
    1M 41.8K 24

    Next person to comment on this monstrosity gets fucking vored!! × ❝You made your choice a long time ago.❞

    Completed  
  • (Sans x Reader) When Two Souls Meet
    942K 27.1K 28

    Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over and over again. Sometimes, he'd even done the killing himself. And no one ever remembers. Not even the kid herself. It's an exhausting cycle, one that...

    Completed  
  • Judgement of Karma - Sans Meets MHA
    45.1K 1K 12

    So this is my retry for "Classic Judgement - Sans Meets MHA". It's not really going to be like my first book. Anyway I hope you enjoy!! Warnings: Self harm

  • Classic Judgement - Sans Meets MHA
    60.7K 1.3K 16

    Sans meets My Hero Academia! What more is there to it? I hope you enjoy! Warning: Self harm, Suicide attempt DISCONTINUED: The new one is out. It's called "Judgement of Karma - Sans Meets MHA"

    Completed  
  • Why Try When Nothing Matters(Bnha X M! Sans Reader)
    6.8K 139 3

    Sans Zetsubō is a young orphan, living and taking care of his younger brother. He spends his day doing nothing, it wouldn't matter anyway. But what happens when a certain Hero makes him question his philosophy...

  • The PUNtastic Hero (Undertale x Bnha/Mha)
    9.9K 316 7

    The Genocide Run has been done over and over, Until something NEW happens! When Sans is sucked into the world of My Hero Academia! He has also been turned into a human! What will happen to Sans in this world? (There will be no ships yet. And the AU's disappeared with his world so he is gonna be stuck in this world. A...

  • The Skeletal Hero: Karmic Judge
    237K 6.5K 81

    Complete! The player has just finished fighting sans and has left him to die. As sans turns to dust he sees a flash of light before everything goes black. He then wakes in a new world. Note: I don't own undertale bnha or the character in it nor do I own any of the art in this, this is just a fan fic that I decided to...

    Completed  
  • The misplaced judge ( Undertale x bnha )
    10.5K 232 9

    Sans was taken from his world and placed somewhere else due to the resets that the player has been doing. This place is "My hero academia". But San's code glitches and turned him into a human girl. What will sans do now? This story is my first, so please don't have high expectations.

    Completed  
  • Lights Like Stars (Sans x Reader)
    143K 5.3K 37

    It's been over a year since the Underground opened up and the monsters living under the earth swarmed to the surface in their thousands. The human and monster governments are taking their sweet time coming to any kind of agreement regarding monster rights and citizenship, but for the most part, in the less politicall...

  • The Trio of Remnant Chapter 1: Hatred (Male Sans Reader X Blake Belladonna)
    134K 1.7K 34

    This is my first story and it will be about RWBY and the bad time trio, I do hope you enjoy this story and criticism is welcome ( I do not own Undertale, or RWBY, all rights reserved to their respectful owners, THIS GOES FOR PICTURES AS WELL, NONE OF THE PICTURES IN THIS STORY ARE MINE, ALL RIGHT GO TO THEIR RESPECTIV...

    Completed  
  • The Punny Hero (Remastered) Bnha x Undertale
    129K 2.6K 47

    Sans didn't deserve the things that have been done to him. He was terrified, tortured, and thrown into a situation no one should be in. But now he has a purpose, to make sure no one goes through what he did ever again. (I started this story before, but then I lost my account and I'm finally starting it again) If you w...

    Completed  
  • Bad Time Heroes (On Hiatus)
    97.8K 1.7K 22

    After her step sister Izumi Yagi and her friends bullied her for years over her weak quirk, claiming she couldn't be a hero, Izuku Midoriya(female) left with her father for America so that she could train her quirk.(Sans) Fed up with his father's merciless training and lack of compassion towards his siblings, Touya To...

  • A Bit Too Much (Easing off of HIATUS)
    95.4K 2.4K 39

    (I want to point out RIGHT HERE that this is NOT a Reader-Insert. I'm just to preoccupied to fix the description here, and don't want to rewrite the official first chapter again. Chances are once I start focusing all my time into the finale that I will bother changing the description.) You were planning on getting a B...

  • My Little Bitty
    127K 3.7K 17

    Uhh... description, huh? You baisicly get every at bitty in a box. Book of fluffy cuddly feelings. Adorable bittys. And concentrated awesomeness.

  • Getting Better Together
    86.2K 2.7K 25

    hello this is my first story on here, sorry if it's not good.... I'll sum up the story now... Y/N (Your name) have been in the city for a year now and still alittel new, you do have a nice payed job down the street,you pay rent on time and made a few friends...(only 2) But you have problems being alone,you are used to...

  • My Itty Bitties
    104K 5.2K 17

    A box has been left at your doorstep. thinking that someone must've given you the wrong mail, you take it inside and wait for someone to come by and claim it. When a week pasts, you're torn between opening it to see whats inside or return it to its sender-The problem? There is no return address. so you open it while e...

  • Resets - A Multi-Fandom Reaction Story
    492 28 2

    I am literally making this to make other characters that don't even exist in the Undertale universe feel bad for Sans. This was brought to you by the boredom gang. - - - - - "Any and all Fandoms/Universes have been introduced to Sans before. Some people know him more than others. Sans has listened to their stories, no...

  • Error is... CLASSIC!? (Book One) (Completed)
    33.1K 1K 9

    What if Classic was secretly Error, and he was assigned the role of being the Forced god of destruction? Also, Cover is not mine! #3 in Fgod Error as of 8/12/2020 #6 in Classic Sans as of 8/12/2020 #666 in Undertale as of 8/18/2020 (THIS IS CURSED NOW LOL-) #18 in Error Sans as of 8/28/2020 #288 in Undertale as of 8/2...

    Completed  
  • Dokitale! Book 1
    4.2K 72 12

    After Monika deleted Ddlc, the chr. files got transferred to undertale, but Monika is a little strange as she looks around...... (also Doki Doki Literature Club! belongs to Team Salvato and Undertale belongs to Toby Fox)

    Completed  
  • Undertale x DDLC(doki doki literature club)
    33.5K 544 15

    We all know that some people here hate the crossovers here but...i'm making the story so if you don't like these crossovers then might as well leave XD Desc. When DDLC is deleted, instead of being destroyed, the four girls are sent to a void of code. They decide to find their own way into another game; some didn't com...

    Completed