Underswap Stories

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1.2K Stories

  • Underverse & XTale x male reader by Sourtacos
    Sourtacos
    • WpView
      Reads 423
    • WpPart
      Parts 3
    Monsters like you are the reason we will never be able to coexist peacefully. And for that, your end Must come. Is that all you have to say? I knew some of my creations were stupid. But you truly are idiotic. You are but a fraction of my creativity with none of my power.
  • How far would you go for love(underswap frans story) by notmyproblem4U
    notmyproblem4U
    • WpView
      Reads 140
    • WpPart
      Parts 11
    In Underswap AU chara fully gained control in her body and stopped frisk to erase this timeline. she did a pacifist route and in end saved everyone.(includes MK too) Although frisk didn't like this after all she was filled with hate. How could blue can go far for her to change her. Could he able to change her.
  • Not so useful Swap  by JustawildPJ
    JustawildPJ
    • WpView
      Reads 222
    • WpPart
      Parts 10
    Being part of a group dedicated to helping protect AUs against harm can take a toll on someone, specially if that someone is insignificant to his teammates. The self deprecation, and self doubt, can make the worrier feel unuseful to his team. And with the importance of the job it could make this regular mortal long for their old, simple life. Will Swap overcome his uncertainty of being a star sans and continue to help save AUs from those who seek to cause harm to them? Or will he resign his position and go back to being the 'regular' sans in his AU? (Art by Jael Peñaloza (Jakeiartwork on YT)
  • incorrect Undertale quotes  by -Berri
    -Berri
    • WpView
      Reads 85,993
    • WpPart
      Parts 123
    Most of them are stolen from Tumblr Edit: How are people still finding this story I-
  • Blueprint x Depressed!Reader - Love's Blueprint (COMPLETE) by Kath1908
    Kath1908
    • WpView
      Reads 10,009
    • WpPart
      Parts 37
    17 year old (Y/N) runs up Mt. Ebott to get away from those chacing her. She falls into Snowdin forest from a crack in the caverns ceiling. She finds her old friend Chara down there along with three skeletons. Why was she being chaced up the mountain? What's she hiding from her friends? Will she make it out of everything alive?
  • Canvas Beauty (UT Multiversal Ships) by Authirst
    Authirst
    • WpView
      Reads 500
    • WpPart
      Parts 3
    Ships; - Errorink/Errink (Error x Ink) - Dustberry (Dust x Blueberry/Swap) - Kreme (Killer x Dream) - Crossmare (Nightmare x Cross) - HorrorLust (Horror x Lust) Trigger warnings; - Self-harm - Eating disorders - Violence - Sexual scenes - Strong language - Mentions and suggestions of rape After ending their fake relationship, Ink and Dream's friendship is tense and unhealthy. It doesn't help that the Multiverse disapproves of their breakup, and Nightmare has grown stronger thanks to the negativity that stemmed from the event. However, things start to turn around after Ink and Error's 'friendship' takes a turn for the better as they realise their feelings for each other. But, what about the others? Will they eventually get together, or will their conflicting personalities collide with each other and make it impossible for them to get closer?
  • Dustberry stuff. by Maple104
    Maple104
    • WpView
      Reads 2,875
    • WpPart
      Parts 24
    Basically more innocent dustberry. Dust finds Blueberry in a fort of sticks and tries to fight Blueberry, and some weird stuff happens so that Dust is reluctantly living with Blueberry and can't kill him for EXP.
  • Protester - A Swap!Papyrus x Reader by Just_Depression_565
    Just_Depression_565
    • WpView
      Reads 5,296
    • WpPart
      Parts 6
    The monsters are on the surface. Read, child.
  • Drinking Blood While Streaming | Au!Sans & Au!Papyrus x Reader [ON HOLD] by Deviantathan
    Deviantathan
    • WpView
      Reads 243
    • WpPart
      Parts 3
    You are a streamer who lives out in the comfort of your in the woods. When you're not streaming you're commonly known as 'the ghost of the woods', so people dare not to step on your property or the woods, as you also own part of it to preserve the beauty of it's nature. What happens when the newcomers of the town decides to explore the forest and try find out if the rumors of 'the ghost of the woods' are real. "𝙊𝙝, 𝙞𝙩 𝙨𝙚𝙚𝙢𝙨 𝙄 𝙝𝙖𝙫𝙚 𝙫𝙞𝙨𝙞𝙩𝙤𝙧𝙨"
  • CANINES ;; undertale by BRA1NR0TTED
    BRA1NR0TTED
    • WpView
      Reads 1,450
    • WpPart
      Parts 7
    When a dog is found in the Underground, Sans decided to keep the Mutt as a guard-dog and bait catcher. What happens when universes collide and this dog... isn't even a dog?
  • Meeting Yourself Twice  by TheMayFlowerUwU
    TheMayFlowerUwU
    • WpView
      Reads 27,472
    • WpPart
      Parts 46
    The swap brothers stubble upon not one but two other skeletons. Both in serious condition Who are they and where do they come from ? Underfell,Underswap and Swapfell doesn't belong to me or Undertale internally Also all art in this book doesn't belong to me unless I flat out say it And thanks to those who read this book the summary is complete garbage ~_~ But the story is better Hopefully....
  • A fight for a berry by Lefluffster
    Lefluffster
    • WpView
      Reads 12,116
    • WpPart
      Parts 32
    I walked through the halls, then stopped. I peered into the eternal darkness, trembling. I could only stand still. I shook, hearing screams of agony. I could only stay there, until dust drifted past. "What have I done. ." I was cut off from my thoughts. "You're not supposed to be here~" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This is an undertale multi-verse story. Blue loves all his friends platonically, but when will he realize he loves one of them more than words? {COARSE LANGUAGE} {GORE} {SELF-HARM} {Depression.} Btw guys, this is my first story. And cover art does not belong to me, I kinda suck at drawing. Have fun reading this story! -Fluff
  • You'll be home (discontinued) by leotheleonard
    leotheleonard
    • WpView
      Reads 1,910
    • WpPart
      Parts 9
    After helping horror leave the bad sanses, swap sans takes horror to an au where no one can bother them and where they both can live a peaceful life for a little while. I want something different no babying!! he's not blueberry and blues probably the same height of most of the sanses in the multiverse maybe a lil taller not rlly idk Horrorswap. HORRORSWAP 🙇 Possible Errorswap in the future or swap x dream 😏 there was no proof reading whatsoever if there's a word that's spelled wrong don't mind it there's so much more errors that will happen :p I do not know how to write properly and I struggle to focus so the chapters may be super lame or out of character.
  • Star sanses! by lovealwayswins15
    lovealwayswins15
    • WpView
      Reads 157
    • WpPart
      Parts 4
    It starts sad but it gets happier! This is the star sanses and Frisk! Read along to the journey and sacrafices they all made in order to have everything like it was and as they knew I to be. But can they actually accomplish what they want to achieve with three skeletons and a young girl? Why don't we find out?
  • Sprinkles (Underswap Sans x Reader Fanfic) [DISCONTINUED] by Darkmatter604
    Darkmatter604
    • WpView
      Reads 18,312
    • WpPart
      Parts 22
    You're in the magical land of Underswap. You meet 2 brothers, Sans and Papyrus. Papyrus is the lazy one, and Sans is the happy and quirky one that always says; "Mweheheh!" In an adorable way. You want to be 'friends' with Sans, but Papyrus might interfere. Will you gain Sans's love? Find out!
  • Sanscest One-shots by konpeitwo
    konpeitwo
    • WpView
      Reads 80
    • WpPart
      Parts 2
    No lemon to be found here, but there'll be occasional suggestive content! This book is exactly as named - it's Sanscest one-shots! Cover art drawn by RuneTunnels on Twitter!
  • You're Mine Senpai! (Yanberry x Reader) by Y00nBAM
    Y00nBAM
    • WpView
      Reads 4,447
    • WpPart
      Parts 11
    Well...... What about if I try making an x reader? WELL I'M REALLY BAD AT MAKING STORIES BUT I HOPE YOU ENJOY! ^-^ Art by my friend MARZIA! Marzia:Welp,my art is now exposed :/ Me:It's good anyways..
  • Not shattered, just broken by crimewaiv
    crimewaiv
    • WpView
      Reads 387
    • WpPart
      Parts 2
    !!WARNING!! Contains Honeymustard And may contain future 18+ content! Red finds himself in underswap, near dusting. Saved by a tall skeleton in an orange hoodie, Will he be able to find love in this strange new place? Or will his trust be the death of him.
  • UnderSwap Sans x Reader by Trinity_Xx4331
    Trinity_Xx4331
    • WpView
      Reads 1,301
    • WpPart
      Parts 25
    So, this was my first book I made on here! This story is unfinished, and I don't make parts very often..But I still try my best to make the parts of some quality at least when I do! No sense in putting out a part just for it to be something like 10 words long, ahah- (No offense to anyone that may do that) Don't expect it to be professional or anything, though in my opinion I'd say it's a good start!
  • Fontcest Oneshots by FontcestSin
    FontcestSin
    • WpView
      Reads 3,214
    • WpPart
      Parts 2
    Just some one shots I'm going to do when I can. Please read the prologue before commenting anything stupid.