1 - 20 of 21577 Works in Sans (Undertale)

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  1. Tags
    Summary

    In the monster world, it has always been known that monsters would go to great lengths to be with their soulmate. It would turn into an obsession, a desperate infatuation.

    To be rejected by your soulmate… it could make a monster go crazy.

    Horrortale-based AU where monsters live on the surface.

    One Sided Horrortale!Sans/Adult Human Female Reader. All characters are 18+.

    Contains stalking, abduction, obsession, violence and rape/non con themes. Please read warnings/tags. Updates weekly.

    Language:
    English
    Words:
    66,904
    Chapters:
    14/30
    Comments:
    220
    Kudos:
    528
    Bookmarks:
    73
    Hits:
    8544
  2. Tags
    Summary

    ROCK BOTTOM: THE FIRST EVER MONSTER NIGHTCLUB! WHERE ANYONE, MONSTER OR HUMAN, CAN COME TO HAVE FUN!

    Or it would be if Sans ever manages to get the place up and running.

    It's been three long years since the barrier was broken. Monsters are still struggling to make lives for themselves under the open sky and all of Sans' plans have gotten totally screwed up. He could use a little help and you could be just what he needs to get the ball rolling.

    Or you might be the one thing that finally blows the whole shebang up in his face. Knowing his luck...

    Language:
    English
    Words:
    115,896
    Chapters:
    21/?
    Comments:
    473
    Kudos:
    586
    Bookmarks:
    125
    Hits:
    6280
  3. Tags
    Summary

    A family doesn't always have to be a mom, a dad and kids. Sometimes it's one mom and her kids, or one dad and his kids. Sometimes it's two moms, or two dads, or even more than that. And sometimes a family is three undead science geeks and two awkward bats.

    Language:
    English
    Words:
    10,952
    Chapters:
    5/?
    Comments:
    10
    Kudos:
    21
    Bookmarks:
    2
  4. Tags
    Summary

    After reports of a small skeleton arose everyone grew curious as to who it was since skeleton monsters have been thought to havw been extinct a long time ago. Well.... Other than papyrus and gaster.

    So when a small orphanage finally helps the skeleton they try to get answers which thr smaller one advoid to answer. He shys away from monsters very easily.

    But the great papyrus cannot let that side! Not on his watch.

    Language:
    English
    Words:
    32,166
    Chapters:
    12/?
    Comments:
    1
    Kudos:
    48
    Bookmarks:
    11
    Hits:
    1053
  5. Tags
    Summary

    It's Sans and Papyrus's first Christmas on the surface, and they have so much to learn.

    Good thing they've got the best teachers.

    Series
    Language:
    English
    Words:
    1,608
    Chapters:
    1/12
    Hits:
    0
  6. Tags
    Summary

    Jaybird is from a not so great universe where monsters were not received kindly and humans magic was awoken when they escaped from the mountain. But now she has been taken away from her universe and slapped in a universe where her alternate self is full of rainbows and sunshine. She also lives with a bunch of skeletons from other universes, great.
    Jaybird just wants to go home, and all this niceness and kindness is suspicious. For now she has to deal with it, and learn to get along with all these powerful skeletons, some of whom don't take kindly to her having magic.

    Language:
    English
    Words:
    2,157
    Chapters:
    1/?
    Hits:
    0
  7. Tags
    Summary

    ✧ ✧✧ ✧
    A collection of many different stories, from one shot to multiple chapters, challenges to prompts, fan character profiles to summaries of my own alternate universes. And more!

    ~✿~✿~✿~✿~✿~✿~✿~✿~✿੭
     
     

    ☆ Story #633: Dance of the Jellyfish #7: Requests

    ♡ Summary:

     

     

    ~~~
     
    ~✿~✿~✿~✿~✿~✿~✿~✿~✿੭
    SHORT CUT!
    ✧ ✧✧ ✧

    Language:
    English
    Words:
    592,726
    Chapters:
    638/?
    Comments:
    2506
    Kudos:
    582
    Bookmarks:
    32
    Hits:
    13919
  8. Tags
    Summary

    Soulmates. Realtionships. Parents. Crushes.
    Death..?

    Just your usual case of teenage angst

    Series
    Language:
    English
    Words:
    4,488
    Chapters:
    4/?
    Comments:
    7
    Kudos:
    6
    Hits:
    50
  9. Tags
    Summary

    In which Skye is excited for Christmas and is probably going to fail.

    Also, these are all gonna be short due to the daily aspect of it.

    Language:
    English
    Words:
    5,743
    Chapters:
    13/?
    Comments:
    2
    Kudos:
    10
    Bookmarks:
    1
    Hits:
    271
  10. Tags
    Summary

    Chara spends some time with each of Frisk's friends they made throughout the underground.

    Language:
    English
    Words:
    2,618
    Chapters:
    1/?
    Comments:
    1
    Kudos:
    2
    Hits:
    14
  11. Tags
    Summary

    After realizing that he knows next to nothing about how Ink came to be and that the guardian knows nothing as well, Error decides to start looking into it. The Creators are egging him on, and shenanigans from the other outcodes are proving to be quite the distraction; Ink just wants to be his friend (not happening), Dream is acting weird, and Nightmare can't believe his eye. The chances of Error learning everything are slim-to-none, but since when did that stop him?

    Series
    Language:
    English
    Words:
    50,569
    Chapters:
    19/?
    Comments:
    284
    Kudos:
    257
    Bookmarks:
    24
    Hits:
    2239
  12. Tags
    Summary

    Sequel to "Star Catcher", Swapfell Sans copes with past events and a new pregnancy.

    Series
    Language:
    English
    Words:
    17,952
    Chapters:
    17/?
    Comments:
    39
    Kudos:
    242
    Bookmarks:
    22
    Hits:
    2760
  13. Tags
    Summary

    This fic rides sidecanon for A Certain Tenderness
    Expect 50% emotionally challenging dedicated xeno smut featuring HELLA SANSBY
    25% Papyrus being Like That
    10% Lies
    10% Eldritch and/or Existentio~Temporal Horror
    and at least 5% Dog Food with Hot Dogs cut up in it to keep you in my shed.
    The crying fetish was literal all along.

    Series
    Language:
    English
    Words:
    97,445
    Chapters:
    19/20
    Comments:
    43
    Kudos:
    51
    Bookmarks:
    3
    Hits:
    1558
  14. Tags
    Summary

    A story of monsters, humans and the owner of a candy store.

    Series
    Language:
    English
    Words:
    1,349
    Chapters:
    1/?
    Kudos:
    4
    Bookmarks:
    1
    Hits:
    22
  15. Tags
    Summary

    Worlds collide in this mashup of games. How will Ainz deal with another player in Yggdrasil's world when they're not even from the same game?

    Language:
    English
    Words:
    38,326
    Chapters:
    5/?
    Comments:
    18
    Kudos:
    27
    Bookmarks:
    2
    Hits:
    481
  16. Tags
    Summary

    I have decided to *achem* alter some holiday songs to be more... SANSational...

    Series
    Language:
    English
    Words:
    1,656
    Chapters:
    6/?
    Comments:
    10
    Kudos:
    4
    Bookmarks:
    1
    Hits:
    73
  17. Tags
    Summary

    Swapfell Sans has gathered those who will follow him loyally into whatever plans he makes for them. He is the leader that they look up to and are willing to follow till the end of time. Black is now planning to lead himself and his followers onto a mission that could change their lives forever. Will they be able to succeed in the mission that they have gathered together to do their best to complete?

    Series
    Language:
    English
    Words:
    3,259
    Chapters:
    1/1
    Kudos:
    1
    Hits:
    5
  18. Tags
    Summary

    Frisk...awakens in hell. Not the place. A feeling. He's escaped. Not everyone is thrilled with that.

    Except Gaster.
    Gaster and his damn experiements.

    He only has a pocket knife.

    knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...knife....knife...knife...
    use the knife....
    No. It's not right.
    Use it...it feels great.
    No. It's. Not-....
    right. feel its blade on your fingers.
    So smoooooooooooooth- No! I won't! You can't make me like you! I REFUSE!

    Language:
    English
    Words:
    5,374
    Chapters:
    3/?
    Kudos:
    5
    Hits:
    39
  19. Tags
    Summary

    Direct sequel to "To My Date, With Hate, Love Sans" (read that or you won't understand this one).

    (FellSwap/Swapfell Red Sans Surface AU)
    You and Sans may have finally kissed, but now, a partial misunderstanding has sent you both into panic. Since your roommate is tired of watching you both dance around one another, it's time to take action! The gloves are off in this one! Will Sans be able to fix this misunderstanding, or does papyrus have to lock you two in a closet after all?

    Series
    Language:
    English
    Words:
    2,401
    Chapters:
    1/?
    Comments:
    2
    Kudos:
    8
    Hits:
    54
  20. Tags
    Summary

    Life just has this way of kicking you while your down, but this time you've got enough skeletons in your closet to help you back onto your feet, so when your boyfriend cheats on you, you really don't think it can get any worse.

    ...right?

    Series
    Language:
    English
    Words:
    51,457
    Chapters:
    19/?
    Comments:
    253
    Kudos:
    557
    Bookmarks:
    138
    Hits:
    8128

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