1 - 20 of 88 Works in Yandere Sans (Undertale)

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  1. Tags
    Summary

    (Y/n), a high ranking Platoon Commander in the Military, was on a mission with her squad when her plane was shot down by an enemy ship, leaving her stranded on an unknown island, with none of her comrades in sight.

    It would have been all fine an' dandy... if she wasn't surrounded by three Alpha Skeletons and one Omega Skeleton. All of which want to fuck or be fucked by her.

    So now here she is, having to assess her dominance as an “Alpha” to get by with her limbs still attached and her clothes still in one piece. Even if one of them looks like he came straight from Satan's asshole.

    Language:
    English
    Words:
    37,935
    Chapters:
    15/?
    Comments:
    408
    Kudos:
    1382
    Bookmarks:
    190
    Hits:
    16653
  2. Tags
    Summary

    Sans hates humans. He couldn't care about them less, if they weren't such a nuisance to him. To him, the only good human, is a dead human.
    And yet...
    Here he was watching and watching, waiting for that one human to come out from the land and step to the shore.
    And when she does...
    ... Sans has to hold himself back from taking you.

    But he will.
    And no one will be there to stop him from getting you.
    ...
    Someone notices.

    Language:
    English
    Words:
    21,542
    Chapters:
    4/?
    Comments:
    123
    Kudos:
    355
    Bookmarks:
    64
    Hits:
    2931
  3. Tags
    Summary

    You are (Y/N), a goddess? An entity? You really don't know what's the real word to describe yourself. You can control pretty much everything anywhere. Your 'home' is a truly ethereal place where you are the ruler, the almighty.

    Yet... You didn't really have anyone to be friends. Sure there were your creations with free will to do anything they wanted and true emotions but they were still your creations.

    So what will happen when someone who you didn't create stumbles upon you? Why do you feel dread?

    But... as long as they don't look into your eyes, everything should be alright, right?

    Wait...

    Fuck they saw your eyes, didn't they?

    Language:
    English
    Words:
    10,381
    Chapters:
    3/?
    Comments:
    18
    Kudos:
    105
    Bookmarks:
    14
    Hits:
    892
  4. Tags
    Summary

    "Protect humans and keep them safe from harm, no matter the cost."
    Sans had made a promise, and he was prepared to go to any lengths in order to keep it.

    The short skeleton refuses to let you go because you'd only find danger outside the Snowdin village. He loathed himself for poisoning your drink in order to make you weak and sick so that you can't leave the safety of the town. It was a horrible thing to do, but this way you would stay with him and Papyrus.

    He'd keep you safe and happy.

    Language:
    English
    Words:
    93,439
    Chapters:
    18/18
    Comments:
    470
    Kudos:
    1355
    Bookmarks:
    152
    Hits:
    33393
  5. Tags
    Summary

    I dunno man this is an i-wrote-this-while-tipsy reader-inserty thing with yandere sans
    Cause im trash and my friends said to do it and who am I to say no?
    also keep in mind i typed it and never read it over to check for errors soooo rip lol
    FANFIC START!!!

    Language:
    English
    Words:
    616
    Chapters:
    1/1
    Comments:
    8
    Kudos:
    22
    Bookmarks:
    2
    Hits:
    137
  6. Tags
    Summary

    There is no easy way to put this.

    You had problems.

    A LOT of problems.

    And that's ok.

    And do you know who is going to fix those problems?

    Why Sans of course!

    Language:
    English
    Words:
    21,640
    Chapters:
    16/?
    Comments:
    215
    Kudos:
    393
    Bookmarks:
    68
    Hits:
    4965
  7. Tags
    Summary

    sans is in heat. you didnt know

    Language:
    English
    Words:
    2,377
    Chapters:
    7/?
    Collections:
    1
    Comments:
    16
    Kudos:
    103
    Bookmarks:
    8
    Hits:
    3390
  8. Tags
    Summary

    Sans had always wanted to meet his soulmate. Especially seeing how his parents, two non-soulmate couple, always seemed so depressed and unhappy. It never helped that when he did see soulmate couples, their happiness could light the whole room. It made him envious of children with those parents.

    Later in life, it made him envious of said couples.

    Sans wanted that happiness in his life. He wanted someone for him that made him happier than anyone else could. He longed for it more than he longed to be part of the Royal Guard. And Sans was more than determined to become part of the royal guard! Sans wanted his soulmate so much. He would do anything to have his soulmate.

    They didn't have a choice.

    Language:
    English
    Words:
    871
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    28
    Bookmarks:
    2
    Hits:
    231
  9. Tags
    Summary

    Let's be honest, Marianne wasn't completely sure how the hell she ended up in this line of work. To be honest, she wasn't that good at relationships, so how did she end up as a 'relationship therapist' for psychopathic stalkers and such?

    Of course, she feels guilty for all the people she had condemned to a horrible life with those psycho's, but thankfully a bottle of Jack's and horrible company makes a woman like Marianne drown all her guilt and makes forget the sins crawling on her back.

    So why couldn't everything stay like that? It would have been so much better. She was happy with slowly dying by herself, so why had those clients come along? They had to be like everyone else, so why did they stick around? Why did their 'darlings' stick around too? This was too much even for Marianne.

    She just hoped that one day they will leave her alone.

    Series
    Language:
    English
    Words:
    35,416
    Chapters:
    10/?
    Comments:
    135
    Kudos:
    91
    Bookmarks:
    18
    Hits:
    1249
  10. Tags
    Summary

    Gore Level: High

    Graphic mentions of blood and bodily harm

    Language:
    English
    Words:
    9,873
    Chapters:
    3/3
    Comments:
    22
    Kudos:
    187
    Bookmarks:
    16
    Hits:
    3172
  11. Tags
    Summary

    Underswap Sans grows a little attached to Underfell Sans. And we can't have someone take him away now can we?

    Language:
    English
    Words:
    3,897
    Chapters:
    10/?
    Comments:
    16
    Kudos:
    19
    Bookmarks:
    4
    Hits:
    317
  12. Tags
    Summary

    It wasn't fair. Sans had finally saved you, did it the right way without breaking any moral code. And yet, it wasn't enough. So, he decided to play by the rules the world had given him.

    This was his last chance. No more resets, no more redos or loading or saves. It was all up to him.

     

    ...what was so wrong with consuming a couple human souls to save you?

     

    *it's hard to break someone...but it's damn near impossible to put them back together*

    Language:
    English
    Words:
    116,744
    Chapters:
    20/?
    Comments:
    292
    Kudos:
    645
    Bookmarks:
    103
    Hits:
    9742
  13. Tags
    Summary

    He loved them...he really did! He...he just panicked. And now what’s done is done and he will do what ever he can to keep them with him, and now that means away from his alternative selves.

    Language:
    English
    Words:
    8,097
    Chapters:
    5/?
    Comments:
    47
    Kudos:
    247
    Bookmarks:
    50
    Hits:
    3485
  14. Tags
    Summary

    You're Little Red Riding Hood, but you took a wrong turn while delivering cookies to grandmother's house. He isn't the wolf, he's a bear that eats wolves. A bear who got a little too attached to a certain little girl in a red hood.

     

    ••••old description••••

    the moment that i met you, i knew that you where meant for M E, i knew that you where M I N E. and now that i have you,

     

    i'll never let you go.

    Language:
    English
    Words:
    14,805
    Chapters:
    21/?
    Comments:
    11
    Kudos:
    105
    Bookmarks:
    9
    Hits:
    1434
  15. Tags
    Summary

    He's been watching you through that window ever since you first moved in.

    It started out accidental, but it became an obsession.

    ...

    ...You ended up in his classes.

    Language:
    English
    Words:
    17,813
    Chapters:
    7/?
    Comments:
    213
    Kudos:
    534
    Bookmarks:
    97
    Hits:
    8694
  16. Tags
    Summary

    Primarily working with character's I've already written (especially those that are meant to be/are couples for otp fic prompts), this fic is where I can freely handle and work on A) requests that don't fit the story and I'd feel bad not doing or interrupting the plot for and B) prompts that I run into and want to give a try without committing. Or anything else I want to put here, especially to celebrate holidays when none of my stories are currently taking place during said holiday.

    Feel free to request, but understand that if it's too far out there for me, it won't be done.

    I'd recommend reading my other stories to get an idea of what I've already done/what I'm comfortable with, but it's not required. Chapters will have proper indications for the subject matter/warnings. If they don't please remind me.

    Language:
    English
    Words:
    59,812
    Chapters:
    27/?
    Comments:
    224
    Kudos:
    213
    Bookmarks:
    31
    Hits:
    4094
  17. Tags
    Summary

    /fairy tale/
    noun.
    a children's story about magical and imaginary beings and lands; a fairy story.

    something resembling a fairy tale in being magical, idealized, or extremely happy.

    a fabricated story, especially one intended to deceive.

    Language:
    English
    Words:
    1,615
    Chapters:
    1/?
    Comments:
    8
    Kudos:
    68
    Bookmarks:
    12
    Hits:
    607
  18. Tags
    Summary

    He's not so innocent so why do you still care?

     

    Unexpected twist.

    Read it, I dare you.

    Fine then, be that way :(

    (*゚ー゚)v

    Language:
    English
    Words:
    2,591
    Chapters:
    1/1
    Comments:
    5
    Kudos:
    65
    Bookmarks:
    7
    Hits:
    1429
  19. Tags
    Summary

    Papyrus is lounging, relaxing after a long day of work and Sans comes home. With something he took with a client, a sleepy Sans wants his brother but Papyrus says no. The little yandere that he is, Sans doesn't take it well.

    Language:
    English
    Words:
    662
    Chapters:
    1/1
    Kudos:
    8
    Bookmarks:
    1
    Hits:
    142
  20. Tags
    Summary

    [This story takes place in a highschool setting! Hope you guys don't mind.]

    Sans had been planning on confessing his feelings for you. What he didn't expect was that you rejected him because you already had someone. That broke his non-existing heart.

    ...

    And his mind.

    Language:
    English
    Words:
    4,279
    Chapters:
    1/1
    Comments:
    6
    Kudos:
    103
    Bookmarks:
    7
    Hits:
    1895

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