Underswapsans Stories

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244 Stories

  • A Miscalculation In Space by Readern111
    Readern111
    • WpView
      Reads 18,816
    • WpPart
      Parts 19
    He knows he'll be dooming them if he falls, but he's tired, his body is breaking apart, held together on a higher being's whim only. He wonders if there'll be another to replace him. He wonders if there will be none. It's rather silly, really, since he won't even be around to witness that. The crowd, the rage and bloodthirst palpable in the air will ensure that. If he does not fall on his own, others will force him to. Or, in other words, the typical start of Error being forced to jump into the Void one way or another, in this case into the NaJ universe! The cover art belongs to irodimmatcha on deviantart(will take down if the artist asks me to)! Updates will be highly inconsistent. Edit: Now cross posted on Ao3 under the same username!
  • More Than I Should [A US!Sans x Female Reader] by _OneBeanHalfABrain_
    _OneBeanHalfABrain_
    • WpView
      Reads 96
    • WpPart
      Parts 3
    A human... An infant... Left in a tattered basket... Left crying in a cushion of golden flowers... Left only with a blanket and a locket bearing her name... (Y/n)... Raised by Asgore, spending her life in the ruins... She was bound to made many wonderful new friends... But... What if one... Is no ordinary friend? ... |{A/n: This book (at least the first few chapters) was slightly inspired by EightTheKat's comic 'The Seventh Soul'. Unless specified by me, none of the art contained is mine. Undertale belongs to Toby Fox. Underswap belongs to Popcorn Pr1nce (i think). Also the first couple reads are probably from me rereading this cuz I do that XD Also, updates will be slow, so I apologize in advance.}|
  • Fanart of "A Trio of Misfits" by JulieRagsdale1
    JulieRagsdale1
    • WpView
      Reads 658
    • WpPart
      Parts 2
    This is from a great fanfiction called "A Trio of Misfits" from Sabinarius. It's a really great story and if you haven't read it, I strongly suggest you do. I don't own anything. Not the story. Not the characters. Just the art.
  • {"stalker?No, I Watch."}Tempink by FuckyFuckOwO
    FuckyFuckOwO
    • WpView
      Reads 263
    • WpPart
      Parts 1
    Read this before reading the fic please. |||THIS IS TEMPLATE???X INK???? BTW??? THE AMAZING ARTWORK IS BY DREEMURR-SKELEMEMER IM SORRY THAT I USED IT WITHOUT PERMISSION HNGH.||| [This is partially inspired by some tempink written by azure-night-owl on Tumblr. Well, the first part of this atleast.] *this takes place in an au of those where there are you know, most of the characters living in one big place and stuff being more normal. *There's some unrequited Blue x Ink, along with TW!!! -Past- toxic Errink. *Uh it's p gay. They're gay weenies. What did you expect.
  • From Medieval Times by TerminusVerso
    TerminusVerso
    • WpView
      Reads 572
    • WpPart
      Parts 8
    Dream and Nightmare weren't always the best with technology and modern conveniences. In fact, there was a time when they hardly understood them.
  • You Are My Sunshine by iheartallmight
    iheartallmight
    • WpView
      Reads 22
    • WpPart
      Parts 1
    "Please don't take my sunshine away."
  • the oblivious one and the innocent one (dreamberry) by Riatheravenclaw1
    Riatheravenclaw1
    • WpView
      Reads 2,528
    • WpPart
      Parts 5
    I probably start this when I finish he's my best friend Gradient x Crescent BTW dream is the oblivious one :3
  • || You Made Me Forget The world Is A Horrible Place || KillerBerry || by Binary_Bunny
    Binary_Bunny
    • WpView
      Reads 336
    • WpPart
      Parts 7
    After a war between the Star Sanses and the Bad Sanses everyone starts to settle into their new life's. While the other two Stars were busy with their families Blue had been working at every job he could find to full his needs for social interaction. He was slowly started to be more alone but... Would he be for long? Inspired by "What it is to Feel Again (Killerberry)" by "SpirtWolfNura". It's a great fanfic check it out! ^w^ Tw/Cw : Thoughts of self hate, NSFW (There will be warnings), Self Harm
  •   ᴛɪʀᴇᴅ | ᴀ sʜᴀᴛᴛᴇʀᴇᴅ ᴅʀᴇᴀᴍ  ғᴀɴғɪᴄ by -nothingspecialhere-
    -nothingspecialhere-
    • WpView
      Reads 17,609
    • WpPart
      Parts 7
    Ever since dream ate the black Apple and got corrupted things started to get harded on him then before The remaining members of the star sanses just won't leave him alone and nightmare still seems to despise him he's starting to regret eating the black apple he's..tired can't things go back to how they were? Even if things still weren't that good even then at least he had someone to go to for comfort. But now thing's are different things can't go back to normal He's just very tired.. [Cover of art doesn't belong to me] < slow updates < all characters belong to there rightful owners [_credits__] Dream and nightmare- Jokublog Shattered dream- Drawingerror Sans- toby fox Swap sans- POpcornPr1nce (original owner) / au community Dust/murder sans- Calvateyla Ink sans - Comyet/Myebi Error sans - lover of piggies/crayon queen Horror sans- sour-apples-studios Killer sans- Rahafwabas [More might be added)
  • FOR YOU (US! sans x reader) by inspirediriss
    inspirediriss
    • WpView
      Reads 10
    • WpPart
      Parts 2
    (GENDER NEUTRAL READER.) monsters being back in the surface has caused quite the ruckus lately, with majority of humans having a distaste about idea of living with them. it took months for you to personally adjust with monsters around now... until one day when you meet a rather interesting human and pair of bones.
  • Undertale AU oneshots by Soul_Licker
    Soul_Licker
    • WpView
      Reads 4,345
    • WpPart
      Parts 14
    Hey guys, this is the first official book I'm making on here so bear with me. Requests are open
  • The next generation. (Sequel of Ink x Reader and Error x Reader) by Featherclaw78
    Featherclaw78
    • WpView
      Reads 1,040
    • WpPart
      Parts 6
    When a certain black, dripping skeleton that is fused with Nightmares and darkness, finds a female skeleton that is asleep, he decides to capture her, when realizing that she's the daughter of the once all mighty and destructive Error. With the reformed Error thinking fast and also loving his daughter and also with the thought of his friend's daughter in the possible grip of Nightmare, he decided to make a deal with the nighty foe. To make it so that when either of the girls say I love you to a Sans, then they get the right to marry her. Error thought that Nightmare would like this, because of competition and love, and to his surprise, Nightmare agreed. Thus, making the story of this book. Note: Since this is a sequel, it would make more sense if you read the first book, called "Maybe a dream come true, or your worst nightmare. (Ink x Reader and Error x Reader)". You could read this one first, but it would be confusing, since you have no idea how Ink and Y/N got together, and who the heck Pastel is, or Cheshire.
  • Growing Up by PikoUtataneV3
    PikoUtataneV3
    • WpView
      Reads 2,515
    • WpPart
      Parts 5
    Everyone's favorite blueberry is ripped from reality to spend some time with Error. Gore without plot I wrote to waste time on a road trip. Enjoy. Well, that's how it started anyway. It's a series now!
  • Underswap! Papyrus x Shy! Child! Reader by Martinuxita3111
    Martinuxita3111
    • WpView
      Reads 361
    • WpPart
      Parts 1
    You fell down in the underground. You met a goat man whose name is Asgore. You fought him so you could get outside, even though he warned you not to. How dangerous can it be?
  • Ask And Dare Sans And The Other AU Sans (DISCONTINUED) by SimplyAngelie
    SimplyAngelie
    • WpView
      Reads 6,972
    • WpPart
      Parts 16
    NEW DESCRIPTION: This book is discontinued along with Behind the camera. A NEW One would be out soon. Read the latest update for more information! OLD DESCRIPTION: So, I managed to finally gain enough courage to write my first book so ya hope you enjoy! (Might have some grammar errors etc in this but I'm gonna try to avoid that) You can ask: Me Sans (UT)/Classic Red Blue Dust Ink Error Gas Pacifist Sci Outer Geno Reaper G Lust (NEW)
  • The BONE ZONE - sanscest/fontcest story book by UndertailFanfics
    UndertailFanfics
    • WpView
      Reads 24,733
    • WpPart
      Parts 7
    The bone zone.
  • Don't_Forget.png  by that-other-snas
    that-other-snas
    • WpView
      Reads 148
    • WpPart
      Parts 3
    ............to think that everyone would live normally without you, knowing that everyone you once loved had forgotten that you were ever a part of their lives, and no one knows your name, and someone's been covering your face in all the pictures of you with black ink. you'd think that you want to die. what's the point of life, then? you don't know how this feels. you... you remember me, right? right?! I know you do. I-I'm still someone..... I... e-exist....