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347 Stories

  • Reincarnated as ink sans but with a friend by Indigo_Aster14
    Indigo_Aster14
    • WpView
      Reads 8,167
    • WpPart
      Parts 12
    The characters here except for my OC's are not mine they all belong to their respective owners Warning: -Slow updates... Like, really slow -Swears -Violence
  • Storm of Ideas [Undertale One-Shots] by A_Bored_Reader
    A_Bored_Reader
    • WpView
      Reads 6,616
    • WpPart
      Parts 15
    I have a lot of random Undertale ideas I want to write, but I want to finish "Haunting a Reaper in Training" first, so I'll just write some here. I'll probably expand some of these stories in the future, but if you want to use some of them go ahead. Just let me know so I can read them! Warning: there are ships you may not like. Don't hate. That's all.
  • Multi-Coloured Soul (Sans Au x OC story) by MLCalloway
    MLCalloway
    • WpView
      Reads 9,376
    • WpPart
      Parts 33
    There are two known guardians that watch over and protect the multiverse. Such as Undertale, UnderSwap, UnderFell, etc. These two guardians are named Ink!sans and Error!sans, the guardian of creation and destruction. But, what if there was another? One that is a symbol of Yin and Yang. The Guardian of Balance. One that had more than one part to their soul. !Warning!: There may be some cussing, but it will be censored There may or may not be some gore as well Some grammar mistakes This is my first ever Wattpad story, so please be polite if I get something wrong. They will be just a little OP if you don't mind. A Sans Au x Original Character Story.
  • me in Undertale by jasmine666767676
    jasmine666767676
    • WpView
      Reads 24
    • WpPart
      Parts 5
    I always wanted to put myself as the Main character in Undertale. this would be exciting. I will be Sans and Papyrus childhood friend... not gonna spoil anything until you all read the story.
  • Act of Forces by sirabooks
    sirabooks
    • WpView
      Reads 35
    • WpPart
      Parts 9
    after the events of Wild Whiplash, they arrive to find Mobius in ruins. what happened in the literal day from when Lash talked with Knuckles, to when they arrived? watch Lash, Error and Silver discover what just happened to thier amazing world. This is the 5th part of the Whiplash chronicles
  • A Chance Encounter ♥ (Vocaloid SeeU x Undertale Sans) ♥ by Voca_Crew
    Voca_Crew
    • WpView
      Reads 95
    • WpPart
      Parts 4
    "Heya? Need any help?" "Oh! That would be nice, Yeah..." "Grab from the bottom-" "Thanks for the help!" ... "Uh-?" "Heh, The ol' whoopie cushion in the hand trick...It's always funny." "Oh, I guess it is..." ... "I'm SeeU, By the way..." "Sans." ♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥ If you couldn't already tell...This is a Vocaloid and Undertale crossover story. This story is a ship story, If shipping Sans x SeeU bothers you then don't read this. ♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥-^-♥ In this story, The monsters are on the surface and SeeU moves in next door to the brothers.
  • Sans AUs x Reader || Lemon by just_here_forfun
    just_here_forfun
    • WpView
      Reads 143
    • WpPart
      Parts 3
    The cover art is not mine, I just found it on google and was unable to find the source. If you know who it is please tell me so I can credit them, thanks! This is lemon so it is NSFW!!
    +18 more
  • lovingly horrible. [kustard] by shooouuuxu
    shooouuuxu
    • WpView
      Reads 124
    • WpPart
      Parts 2
    fell held the bag, gripping on it. " are you sure you're okay. " fell tried hard to make it sound like an question, tried. sans sat on the couch, his sockets half opened staring at the television- before sighing lazily. " yeah, i'm good. " -- fell kissed his forehead, while sans continued to lay on his bed. he wasn't sleeping, but his sockets weren't opened. " i'm horrible with love. " fell whispered. " just warning you that. " sans laughed in response, before saying, " hey, you're loving enough. but you're horrible, no offence. but you're just- lovingly horrible. "
  • Killer Rarepairs by TexyLexyStar
    TexyLexyStar
    • WpView
      Reads 47
    • WpPart
      Parts 1
    i love gay people, i just got back into undertale, im too ashamed to put this on ao3, SO! HELLO EVERYONE, YOU CAN REQUEST RAREPAIRS FEATURING KILLER SANS HERE. yes. killer sans. by rahafwabas. WHAT DO I SAY.
  • Sansby Q and A by Queenlight289
    Queenlight289
    • WpView
      Reads 123
    • WpPart
      Parts 2
    Grillby and Sans are being forced to answer whatever questions you want!
  • Underverse (Discontinued, sorry guys) by Puffin_Artist
    Puffin_Artist
    • WpView
      Reads 539
    • WpPart
      Parts 2
    So, I decided to make the amazing animation known as Underverse by Jakei95 (Tumblr) as a book so that all you ppl out there who love it more than me (that's impossible btw) can read it. Enjoy!
  • obsessionverse by Lordofruin22
    Lordofruin22
    • WpView
      Reads 78
    • WpPart
      Parts 1
    the quartet and their yandere worlds
  • 『••Bitter••』  by Error_Is_Super_Gay
    Error_Is_Super_Gay
    • WpView
      Reads 287
    • WpPart
      Parts 4
    Error, The god of Destruction. Quits. No one to destroy. Not for years, The AUS kept on piling, Until, Ink Notices, he takes over the job, Having to try and Obtain the powers of destruction, But with Error Still Alive and Traveling the Multiverse, There is no possible way to destroy, So He requires, Error DEAD LOTS AND LOST OF CURSING -COVER PICTURE NOT MINE-
  • Mine!not yours!(dragon!blue vs werewolf!dust vs vamp!red x banished god!classic) by fernoblazehybrid
    fernoblazehybrid
    • WpView
      Reads 344
    • WpPart
      Parts 2
    (it is officially now moved!) Classic used to be the god of the underworld, until he was banished by the other gods because of what he is, but except they banished him somewhere else on accident which is earth, and met feera(me) and sannah(oc) and taught him ways of how to be a normal person after a few months later, he met something stranger then ever.... Inspired by:the person who made the greek mythology au Aphmau's dragon video The twilight love story Aphmau's harem roleplay story 'my inner demons'
  • Incorrect(and sometimes Correct) Quotes With Sanses (And Others) by Kevin_IBW
    Kevin_IBW
    • WpView
      Reads 19,470
    • WpPart
      Parts 18
    You know the drill. IDEverse, Vide and Zavier by KathIsBeingWeird Clara by @Empraize Undertale by Toby Fox AUs belong to their respective owners
  • A lost unloved soul by mehfigure
    mehfigure
    • WpView
      Reads 2,387
    • WpPart
      Parts 2
    This was inspired by a Wattpad story called "I have six soulmates?!?" It was a really great story and just really inspiring! I loved the idea of Sans having 6 soul mates who happened to be the 'bad guys' of the underverse. I don't wanna go further into detail about it so not to spoil nothin so feel free to go check out the story on Wattpad! I also wanna say tho this is inspired by the one on Wattpad this story is actually quite a bit different compared to the one on there. Anyways hope you like my work and have a great day! I have six soulmates?!? -Wattpad https://www.wattpad.com/story/235342858-i-have-six-soulmates-classic-sans-x-bad-sanses WARNING IMAGES CONTINAINING BLOOD!!
  • Sans au oneshots by jantiloveronly56
    jantiloveronly56
    • WpView
      Reads 36
    • WpPart
      Parts 2
    These are not sans aus x reader, mainly because i am terrible at making those kind of storys, and i simply feel like i'd make someone mad. So sans aus x sans aus lol
  • The More You Know by Do_You_L0VE_Me
    Do_You_L0VE_Me
    • WpView
      Reads 308
    • WpPart
      Parts 2
    Y/N is quite possibly the biggest Undertale fan there is. She knows just about every detail about almost every AU. On a completely normal Sunday, Y/N opened her laptop and begun to play the one and only Undertale. While walking throughout Snowdin, her game crashed. As she tried to log back in, she found that all the characters where gone. Their sprites we're just black glitches and the text wouldn't even come up. It was like everyone had disappeared. Confused, Y/N decided to just watch someone play it on YouTube. But as she searched, she couldn't find anything related to the game. She checked Instagram, Wattpad, Tumbler, everywhere, but it was as if the game itself never existed. Y/N Couldn't get any results for Toby Fox. She even called her best friend who was also a fan, and when she asked, her friend questioned what she was talking about. Blown away, she tried to open her game again, only to find it gone. All of her fan art she had drawn was replaced by empty papers, all the photos she saved were deleted. As one final test, she googled, "Mount Ebott" To her surprise, the same rumor about the mountain popped up without any trace of the game. Digging deeper, she searched the location of the mountain and found it to be right next to her city which had been renamed, "Ebott City". With adrenaline pumping through her veins and a fangirl pit in her stomach, she grabbed her shoes and ran all the way to the mountain. Just like every fanfiction she had ever read, a hole sat on top of the mound of land. Standing on the edge of the black abyss, she knew that if the rumor wasn't true, and neither was her theory, she would be dead. And even if she was correct about what was down there, if she didn't the SAVE and RESET button, she would die. Hell, she didn't even know what AU she was in. It could be horrortale for all she knew. But it was a risk that every Fangirl was willing to make. Her completely normal Sunday was about to get not so normal.
  • Yandere Au Sans x Demon Oc by LillyNightingale860
    LillyNightingale860
    • WpView
      Reads 52
    • WpPart
      Parts 1
    you don't get a description 😂
  • "Don't kill and Don't be Killed." (Kustard) by Toaster_Draws
    Toaster_Draws
    • WpView
      Reads 1,031
    • WpPart
      Parts 6
    Classic is exploring the different Aus when he travels to Underfell. After seeing how scared Red is he takes him back to Undertale. Classic Sans and Papyrus show Red kindness which makes Red realize that you don't have to kill to not be killed.