1 - 20 of 213 Works in Yandere Sans (Undertale)

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  1. Tags
    Summary

    You'll never be rid of me.

     

    A detective Frisk finds themselves hunting down a rather elusive killer. They should have no leads to go off of, so why do they have the feeling they should know who it is?

     

    Based on Hide/Seek by tart.

    Language:
    English
    Words:
    5,970
    Chapters:
    1/1
    Kudos:
    1
    Hits:
    21
  2. Tags
    Summary

    You escaped from Sans's house once again, but this time he decides to punish you, and it doesn't end with a single lesson.

    [Basically going to be a series of smut with random kinks involving underswap sans with minimal plot. You're fucked. A lot.]

    Language:
    English
    Words:
    4,020
    Chapters:
    2/?
    Comments:
    4
    Kudos:
    66
    Bookmarks:
    11
    Hits:
    1,185
  3. Tags
    Summary

    It’s been two years since your best friend lost his grant, and with it, the ability to keep you in his lab. Two years since you started living at his abandoned observatory, because he never answered your emails asking for permission to stay.

    Two years since you asked him to play tag in the rain during that argument, and here you were, still ‘it’.

    But that was all about to change the night you wished on a shooting star, following a skeleton crashing into your observatory.

    You were pretty sure this wasn’t the angel you wished for, and definitely sure that angels didn’t kidnap people like you.

    You just wish there was a window in the basement to see the stars.

    ⋆。°✩

    Or: Dust kidnaps you, but you're kinda done with everything.

    Language:
    English
    Words:
    43,460
    Chapters:
    10/?
    Comments:
    210
    Kudos:
    318
    Bookmarks:
    66
    Hits:
    4,235
  4. Tags
    Summary

    This is basically a rewrite of Anti-harem to yandere + obsessive harem.

    I wanted to write the first chapter, since I didn't know how to write something like this during my first time.

    I'll also be revising and rewriting the smut and other chapters to improve them.

    I hope that you'll enjoy this.

    Language:
    English
    Words:
    10,837
    Chapters:
    4/?
    Comments:
    10
    Kudos:
    86
    Bookmarks:
    15
    Hits:
    1,619
  5. Tags
    Summary

    You spend most of your days at Ebott's aquarium. Not just because you particularly loved marine life, but to spend time with the ones you felt truly understood you.

    Sure, they kill people every other week, but to be fair..

    You'd probably do that too if you were kept within a glorified glass box.

    Language:
    English
    Words:
    78,573
    Chapters:
    33/?
    Collections:
    1
    Comments:
    645
    Kudos:
    1,671
    Bookmarks:
    318
    Hits:
    44,603
  6. Tags
    Summary

    A short collection of flash fics/oneshots written for Mimicry!

    Includes:

    Chapter 1 - Afterdeath + FatalDeath (Mer + Betrothal AU)
    Chapter 2 - BEI (Mer AU)
    Chapter 3 - Kustardberry (Mer AU)
    Chapter 4 - Errink (Mer AU)
    Chapter 5 - Killermare (Mer AU)

    Series
    Language:
    English
    Words:
    3,988
    Chapters:
    5/5
    Comments:
    48
    Kudos:
    134
    Bookmarks:
    11
    Hits:
    2,022
  7. Tags
    Summary

    A short collection of flash fics/oneshots written for ZipperZooms!

    Includes:

    Chapter 1 - Paperjamcentirc
    Chapter 2 - Bad Sans Poly (Robot AU)
    Chapter 3 - Dream and Nightmarecentric
    Chapter 4 - Errink (Feral AU)
    Chapter 5 - Freshcentric (Mer AU)

    Series
    Language:
    English
    Words:
    3,749
    Chapters:
    5/5
    Comments:
    44
    Kudos:
    158
    Bookmarks:
    14
    Hits:
    2,074
  8. Tags
    Summary

    Almost a year after your Soulmate disappeared, you moved to the city she lived in; hoping to get a fresh start and finally come to terms with her absence.
    Since your arrival, though, odd nightmares of snow-topped trees and bear traps have been plaguing you.

    Language:
    English
    Words:
    13,464
    Chapters:
    7/?
    Comments:
    43
    Kudos:
    127
    Bookmarks:
    32
    Hits:
    2,928
  9. Tags
    Summary

    It was quiet amongst the towering buildings. A once well lived city now faded and long forgotten. It was as if every living being just disappeared into thin air where they once stood. Devoid of color and light. Snowfall hung still in the air for time had stopped. This is what happened to abandoned AU’S. Over time they slowly wither away like this. It’s people and monsters disappearing from memory and reality. This whole place that was once Ebott City now lay empty and still. In the midst of the quiet, soulless place was you.

    A true miracle. Your soul's colors shone brightly against the grey. Standing tall as the last beacon of hope for your universe.

    That is untill three asshole skeletons show up and take you from your home....maybe it isn't all that bad though.

    Language:
    English
    Words:
    5,256
    Chapters:
    1/?
    Comments:
    4
    Kudos:
    17
    Bookmarks:
    4
    Hits:
    323
  10. Tags
    Summary

    When Papyrus dies, Sans finally loses his last strain of sanity. Completely broken, and not all there in the head, Sans goes on a killing spree. Nicknamed The Butcher, the serial killer goes into peoples homes and chops off their heads and limbs.
    ‘friends for papyrus’ The deranged skeleton says. But the skeleton soon finds himself caught up in a delusion where you and him are in a relationship. A loving one at that.
    Pleased he’s finally not alone anymore, Sans does his best to provide for you and keep you in his home, all while still finding more friends for Papyrus.

    Or

    Where a deranged serial killer kidnaps you and locks you up in his house, claiming that you’re his girlfriend. Rather than being chopped into bits, you much prefer playing along to his strange fantasy.

    Language:
    English
    Words:
    24,914
    Chapters:
    20/?
    Comments:
    357
    Kudos:
    885
    Bookmarks:
    158
    Hits:
    18,412
  11. Tags
    Summary

    Sans finds his SOULmate while he's in heat, terrible luck for both you and Sans. He then proceeds to fuck everything up even worse by threatening to kidnap you if you don't start dating him.
    Can you make this relationship work?
    Or will you find some way out of this?

    Series
    Language:
    English
    Words:
    39,195
    Chapters:
    26/?
    Comments:
    494
    Kudos:
    1,552
    Bookmarks:
    221
    Hits:
    40,356
  12. Tags
    Summary

    you had always run from love, accepting no confessions and never even having a crush. to you, soulmates didn't exist and never would.

    untill a new ice cream businesses opens up down the road, and you find yourself running into them, they seem to be everywhere you are.

    not that you mind after all!

    ...

    you definitely wanted this.

    (fic gets updated every 2 months, 2 weeks if you're lucky... sorry 4 low motivation luv all my readers^^)

    Language:
    English
    Words:
    4,567
    Chapters:
    3/?
    Comments:
    33
    Kudos:
    119
    Bookmarks:
    18
    Hits:
    1,395
  13. Tags
    Summary

    Love is blind, and clearly, so were you. You'd trusted when Ink told you he loved you, but you shouldn't have.
    Now you're in the main point of a toxic and confusing love triangle, though it really should be a corner, seeing as you're backed into one.
    How long can you evade the love of someone with the status of a god, even if he isn't one? What do you do when you learn things that maybe you shouldn't? Can you hold it together long enough to see everything through?

    Series
    Language:
    English
    Words:
    39,523
    Chapters:
    20/?
    Comments:
    225
    Kudos:
    381
    Bookmarks:
    64
    Hits:
    8,373
  14. Tags
    Summary

    the leaves of the underground are always met by one who has fallen down hundreds of times, this time is seemingly no different. time resets and starts from the root of it all, like clockwork. but this time, time branches out. and it uproots everything the ever-present witness of this world thought he knew. yandere-ish sans x reader co-written by 2 people, also on wattpad and quotev

    Language:
    English
    Words:
    18,836
    Chapters:
    5/?
    Kudos:
    31
    Bookmarks:
    5
    Hits:
    471
  15. Tags
    Summary

    You were saved. You thought. Now you're stuck with no way out.

    [This work was previously titled as 'not the dream i thought it was.']

    Language:
    English
    Words:
    30,020
    Chapters:
    19/?
    Comments:
    158
    Kudos:
    550
    Bookmarks:
    81
    Hits:
    14,804
  16. Tags
    Summary

    This year we're doing Yandere October 2024!!
    Following @ozzgin on Tumblr's prompt list with any UTMV Sans or Papyrus.

    Here, we mostly have drabbles, some longer than the others. A specific yandere prompt for each day and each character!

    Content Warning: YANDERE. If you do not enjoy reading that kind of horror, please scroll.

    Language:
    English
    Words:
    7,264
    Chapters:
    22/22
    Comments:
    115
    Kudos:
    207
    Bookmarks:
    26
    Hits:
    4,928
  17. Tags
    Summary

    You and your friend Mar decided to explore around the abandoned Kindergarten, despite knowing the fact children went missing there, you and Mar decided to go there for the funzies because yall are so kawaii there is so much kawaii in your body theres not enough room for common sense. Y/N is lonely as fuck and has no love, even mar hates his friend Y/N. However, a certain bird mascot changes that all and gives Y/N all the love they need. Too much love.

    Language:
    English
    Words:
    1,628
    Chapters:
    3/3
    Comments:
    13
    Kudos:
    41
    Bookmarks:
    2
    Hits:
    1,041
  18. Tags
    Summary

    Hi. Yes, I'm here too. I sure am in a lot of old fandoms, aren't I? But yeah, this is a book about the lovely Cross Sans.

    I barely see any love for him that isn't sanscest. And, I don't exactly ship any sanscest with him in it, so I'm here to fill at least a little of that empty "x reader" spot with all my love and passion made into writing for the beautiful boy.

     

    (Cross is a Au/version of the original Sans and is made by jakei95. The original sans belongs to Toby Fox in his game, Undertale.)

    Language:
    English
    Words:
    10,692
    Chapters:
    13/13
    Comments:
    5
    Kudos:
    39
    Bookmarks:
    7
    Hits:
    1,383
  19. Tags
    Summary

    Since Monsters escaped below the mountain, the reveal of souls and soulmates shook the world. You didn’t think you’d have one, and you were kind of right.
    You had two.
    You loved Sans and Papyrus, they were your world. You thought everything was going smoothly, that you were the happiest triple threat that ever crossed the Surface.
    Until recently…

    You catch Sans cheating on you. This would hurt you more than it hurt him.

    Dark tags for yandere ending. Major character death for all endings.

    Language:
    English
    Words:
    7,973
    Chapters:
    2/2
    Comments:
    4
    Kudos:
    129
    Bookmarks:
    18
    Hits:
    2,803
  20. Tags
    Summary

    You wake up in an unfamiliar world, an unfamiliar situation, and an unfamiliar identity.

    For whatever reason, you are the princess of a kingdom with dutiful responsibilities to be attained. Everything else, you somehow know and remember, but when it comes to you? ...There is utterly nothing to recall.

    And then you meet the crown prince. Your soon-to-be fiancé. An adorable, charming skeleton who seems to be the key to your horrific past.

    Language:
    English
    Words:
    4,318
    Chapters:
    1/?
    Comments:
    24
    Kudos:
    112
    Bookmarks:
    26
    Hits:
    832

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