1 - 20 of 15170 Works in Sans (Undertale)

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  1. Tags
    Summary

    Reflections of what landed them all meeting eachother, told in through the Swapfell brothers lives.

    Language:
    English
    Words:
    1,187
    Chapters:
    1/?
    Bookmarks:
    1
    Hits:
    5
  2. Tags
    Summary

    Heya Peeps! I felt like doing this, so request any pairing you like with, Sansi, and Papyri, and it shall be done! I even do rarepairs, so think Wisely! You can leave the ship, or you can give me a specific something that you want along with the ship! Just put it in the comments!

    Series
    Language:
    English
    Words:
    192
    Chapters:
    1/?
  3. Tags
    Summary

    /You stood there in shock, staring at the gunman. He had a blank look in his eyes. Like it was all routine. Like he was numb. You chuckled and choked on the blood building up in your lungs. It spit out of your mouth as you coughed and smiled at him, shakily bringing your hands up and clapping. Your chest throbbed. Your lungs burned as it drowned in blood from the open bullet wound.
    He stared at you blankly. His gun still pointed at you.
    You collapsed as everything went black.
    As everything disappeared./

    Book 1: "Guns and Ammo" chapters 1-52
    Book 2: "White and Black Keys" chapters 53-????

    Language:
    English
    Words:
    110,876
    Chapters:
    117/?
    Comments:
    229
    Kudos:
    167
    Bookmarks:
    18
    Hits:
    3661
  4. Tags
    Summary

    Five weeks apart and the fear of a disappointed partner results in a very wrong way to eat cake.

    Language:
    English
    Words:
    2,268
    Chapters:
    1/2
    Hits:
    0
  5. Tags
    Summary

    A series of oneshots detailing how Frisk and Sans meet, grow up together, and eventually fall in love. Aboveground; monsters were never trapped. A whole lotta fluff!

    Language:
    English
    Words:
    30,868
    Chapters:
    12/12
    Comments:
    25
    Kudos:
    69
    Bookmarks:
    5
    Hits:
    926
  6. Tags
    Summary

    Eve Rhyden is a well-kept secret and is fiercely protective of her younger brother Kenji. The measures set in place to protect her have unfortunately caused her to be introverted and friendless, but she's had it drilled into her that her duty is more important than her own comfort. So how is it going to sit with her when monsters start popping up and try to butt into her locked up life? Lot's of fuckery and angst of course!

    Language:
    English
    Words:
    61,361
    Chapters:
    32/?
    Comments:
    40
    Kudos:
    74
    Bookmarks:
    9
    Hits:
    948
  7. Tags
    Summary

    A crossover between the AUs of A Year Every Minute and Microwave Grapes, written by the authors in RP format over the last two years--creating a whole new adventure of Gasters who find their better halves in... themselves.

    Or, more accurately, the story of one Gaster who ruined another Gaster's room, started trading rude nicknames, and then helping raise each other's kids.

    Explores multiple potential universe setups and--get this--two bitter assholes being blindsided by the power of friendship.

    Series
    Language:
    English
    Words:
    104,914
    Chapters:
    18/?
    Collections:
    1
    Kudos:
    23
    Bookmarks:
    8
    Hits:
    403
  8. Tags
    Summary

    Inspired by Reapertale

    Life and Death have always been polar opposites but one cannot exist without the other. But Life creates a being that Death has never encountered before. He is darkness and She is light, can he accept this new creature who shines brighter than the sun itself?

    Language:
    English
    Words:
    12,976
    Chapters:
    9/?
    Comments:
    20
    Kudos:
    156
    Bookmarks:
    24
    Hits:
    1502
  9. Tags
    Summary

    You're a recently awakened human mage who has been forced to sign up under the Mage Registration Act and court-mandated to seek tutelage for your dangerous and out-of-control magic powers. Thankfully, the police officer has referred you to an apartment building chock-full of skeletons---- half of whom you have managed to piss off in the past several days. You struggle to keep your jobs, your powers, and your heart under control, but shenanigans ensue. Because you're dealing with skeletons.

    Language:
    English
    Words:
    37,975
    Chapters:
    9/?
    Comments:
    107
    Kudos:
    191
    Bookmarks:
    41
    Hits:
    2451
  10. Tags
    Summary

    What if... what if you stayed?

    What if Toriel is everything you ever wanted? What if she would be enough?

    What if you made the Ruins your HOME?

    This AU is warm and fuzzy. It's going to be full of great cooking, corny jokes, sex, heat cycles, breeding, pregnancy, and wonderfully curious hybrid children running all over the Ruins. With time, the sound of children playing catches the ear of those on the other side of the door...

    Can love save the underground? Maybe, just maybe, it can.

    Language:
    English
    Words:
    15,489
    Chapters:
    4/?
    Comments:
    174
    Kudos:
    418
    Bookmarks:
    69
    Hits:
    9518
  11. Tags
    Summary

    Resets are dangerous. They affect everyone, change everything, for better or worse. Some know about them, but most don't. Even a true reset can't undo every mistake. Frisk got too curiouse, and now chara owns their soul. On the surface, one has become aware of the resets, and plans to stop the genocides that plague even a true ending.

    Language:
    English
    Words:
    1,336
    Chapters:
    1/?
    Kudos:
    1
    Hits:
    2
  12. Tags
    Summary

    She has enough problems, but after seeing these little guys' problems, she just can't help herself. She starts to throw less stuff away, she starts to look on the brighter side of life, too. But, after being in the dark for more then half of her life, it's harder then it seems. The Bitties she just adopted are going to do some work with their new owner. But, half the bitties didn't even want to be there, so why not encourage her crazy side?

    Language:
    English
    Words:
    6,429
    Chapters:
    8/?
    Comments:
    10
    Kudos:
    29
    Bookmarks:
    5
    Hits:
    373
  13. Tags
    Summary

    Heya Peeps! I felt like doing this, so request any pairing you like with, Sansi, and Papyri, and it shall be done! I even do rarepairs, so think Wisely! You can leave the ship, or you can give me a specific something that you want along with the ship! Just put it in the comments!

    Series
    Language:
    English
    Words:
    189
    Chapters:
    1/1
    Comments:
    1
  14. Tags
    Language:
    English
    Words:
    2,331
    Chapters:
    3/?
    Hits:
    7
  15. Tags
    Summary

    Frisk finds themselve being back in the the underground with the monsters they knew, but everything is different. Is this all a dream or something more?

    Language:
    English
    Words:
    21,286
    Chapters:
    20/20
    Comments:
    4
    Kudos:
    21
    Bookmarks:
    3
    Hits:
    430
  16. Tags
    Summary

    Now, this is a story all about how your life got flipped-turned upside down and I’d like to take a minute just sit right there I’ll tell you how you became a dang ass skeleton fucker.

    It’s been almost three years since monsters have integrated into society. After a frightening experience, you start to run into the same skeleton everywhere you go, and your lonely life soon makes a one-eighty turn. In a world where magic is real and monsters are kind, can you find a way to be part of it? Can you let yourself fall in love again? Can you prove to the world that Take On Me by Aha is the greatest song ever written? Because it definitely, definitely is.

    The Reader is female and named--less of a self-insert, more like a story in second-person. I don't generally reply to comments cuz I like an accurate comment count. I'll only reply if the comment is extra mega sick. If you have a specific question, you can ask it on my tumblr @capnhanbers!

    Language:
    English
    Words:
    201,589
    Chapters:
    63/?
    Comments:
    1731
    Kudos:
    3127
    Bookmarks:
    428
    Hits:
    52662
  17. Tags
    Summary

    Sans tries to go back in time to before his brother is killed. He ends up in the Underfell universe and bites off a lot more than he can chew.
    [Note: noncon/dubcon warnings do not apply to any fontcest relationship]

    Language:
    English
    Words:
    73,076
    Chapters:
    14/?
    Comments:
    299
    Kudos:
    444
    Bookmarks:
    73
    Hits:
    7021
  18. Tags
    Summary

    This is an AU based off- with PERMISSION GIVEN- mostly the SongBird Au of Big bones, and Bitty Reader Adventures with my own flair thrown in. What flair~?

    MUTANTS.

    Language:
    English
    Words:
    21,316
    Chapters:
    14/?
    Comments:
    39
    Kudos:
    61
    Bookmarks:
    5
    Hits:
    473
  19. Tags
    Summary

    This fic answers the question that literally no one asked: what if Dr. Gaster was secretly the fusion of Black Hat and Dr. Flug?

    If you haven't seen Villainous, go and do so this minute because it's amazing. Uses the fusion concept from Steven Universe, but it's pretty easy to follow even if you don't know what I'm talking about.

    Series
    Language:
    English
    Words:
    3,868
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    7
    Bookmarks:
    1
    Hits:
    35
  20. Tags
    Summary

    Just random ficlets from my strange mind. Includes multiple ships and AU tropes.

    Language:
    English
    Words:
    25,608
    Chapters:
    30/?
    Comments:
    243
    Kudos:
    213
    Bookmarks:
    17
    Hits:
    7272

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