1 - 20 of 5612 Works in Sans (Undertale)/Reader

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  1. 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 uses she/her pronouns and is 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! If you have a specific question, you can ask it on my tumblr @capnhanbers!

    Language:
    English
    Words:
    259,645
    Chapters:
    82/?
    Comments:
    2421
    Kudos:
    4223
    Bookmarks:
    644
    Hits:
    82802
  2. Tags
    Summary

    It starts when you deliver a pizza to two creepy skeletons living in a ramshackle house in the middle of nowhere.

    And then you deliver a pizza to two skeletons living in a nice house in the suburbs. Wait, no, there are six of them. Who all share a strange number of similarities. Wait, are they all the same two people?

    In any case, they seem to like you. And you like them. And you want to know exactly what's going on here.

    So, you all may as well keep getting to know each other.

    Language:
    English
    Words:
    28,532
    Chapters:
    7/?
    Comments:
    107
    Kudos:
    270
    Bookmarks:
    60
    Hits:
    2841
  3. Tags
    Summary

    As always Sans can’t help but mess with his machine, after all he just wants his Dad to come home. However, as it has also been told many times, everything goes wrong. Different versions of himself and his brother get trapped in his own timeline. Yet he keeps messing with the machine over and over until it's too late to save everyone.

    Their last chance to keep everyone alive rests in the hands of a smart but weak mage called Y/N and a supposed legend from the war. Can they reach their salvation before the multiverse itself is destroyed? Even if comes at a cost not a single one of them is willing to face? It's not like they'll have a choice.

    Language:
    English
    Words:
    13,424
    Chapters:
    5/?
    Comments:
    6
    Kudos:
    61
    Bookmarks:
    9
    Hits:
    986
  4. Tags
    Summary

    You are Rosemary Romero, or Cherri. You human, well partially. You've just moved to Ebott City for a scholarship you've earned! You don't have much money, but you managed to get a job to provide for your siblings! On the way you meet a strange monster who easily finds out about your secret. Will he help you? Or will he betray?

    Inspired by
    "A 'Human' that Likes a Skeleton" by Krayzee_Tree (Wattpad) and
    "Sooner or Later You're Gonna be Mine" by Staringback (Archive of our own)

    Language:
    English
    Words:
    44,027
    Chapters:
    28/28
    Comments:
    35
    Kudos:
    100
    Bookmarks:
    12
    Hits:
    1785
  5. Tags
    Summary

    Monsters have been above ground for five years. You're in college in Ebott City, going against your mother's wishes to be a zoologist. But it seemed your monsterphobic roommate is kicking you out. Luckily, it looks like your buddy Sans has a solution.
    Move in with him and his brother. Plus, all of their cousins who just so happen to look like the pair of them!

    I mean, what could possibly go wrong, right?

    Oh boy.

    Language:
    English
    Words:
    347,667
    Chapters:
    50/?
    Comments:
    574
    Kudos:
    1643
    Bookmarks:
    293
    Hits:
    36506
  6. Tags
    Summary

    Monsters have been free for several years, working in Grillby's pay enoughs to keep your dingy apartment but things are getting flipped on their head when you help out a Yellow lizard monster while at work.
    You never realised how cute Skeletons can be.
    Puns, Pranks and Hot skeletons, how strange can this be?
    Turns out things can get very strange.

    Language:
    English
    Words:
    20,782
    Chapters:
    8/?
    Comments:
    37
    Kudos:
    120
    Bookmarks:
    27
    Hits:
    1347
  7. Tags
    Summary

    "For a bad time, call Red. xxx-xxx-xxxx"
    “what the fuck do ya people want?”
    Holy voice kink, Batman.


    _______


    You, in the best idea the drunken gods could ever give you, decide to call a phone number on the bathroom stall of a bar.
    Unexpectedly, you earn a funny, long-distance buddy. Which is pretty nice, considering your new skeletal roommate refuses to talk to you at all...

    ________
    Idiots to lovers inbound.

    Language:
    English
    Words:
    7,170
    Chapters:
    2/?
    Comments:
    23
    Kudos:
    117
    Bookmarks:
    27
    Hits:
    546
  8. Tags
    Summary

    Somehow, you befriended a naga. He even lives at your house as well. On one particular day, Sans accompanies you as you do your usual schedule. However, he avoids a near disaster and that leads to something else.

    Language:
    English
    Words:
    2,124
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    17
    Bookmarks:
    2
    Hits:
    134
  9. Tags
    Language:
    English
    Words:
    951
    Chapters:
    2/?
    Kudos:
    4
    Hits:
    41
  10. Tags
    Summary

    一系列基于糟糕故事Creep的短篇,但从Frisk角度加以描写。
    这代表,这也是个...糟糕的故事。

    Language:
    中文-普通话 國語
    Words:
    39,850
    Chapters:
    18/29
    Kudos:
    61
    Bookmarks:
    4
    Hits:
    1262
  11. Tags
    Summary

    You really should have thought your move into a mansion full of strangers through more.
    But maybe there are a few upsides to it, even so.

    Language:
    English
    Words:
    16,349
    Chapters:
    3/?
    Comments:
    22
    Kudos:
    84
    Bookmarks:
    28
    Hits:
    385
  12. Tags
    Summary

    A misunderstanding lands you in a meeting of monsters and fetishists. From the chaos you find yourself in the dynamic company of a kinky Mutt, gasterblaster! Sans, and a cat-ear wearing Axe.
    Deals are made. Boundaries are broken. You become thoroughly entangled in this group of horny skeletons with very unhealthy coping mechanisms. Even with your PATIENCE, and the comfort of your cute rescue collie, there’s some skeletons that are better left in the closet…

    Language:
    English
    Words:
    98,650
    Chapters:
    26/?
    Comments:
    306
    Kudos:
    799
    Bookmarks:
    177
    Hits:
    17633
  13. Tags
    Summary

    You couldn't let her suffer anymore.

    Series
    Language:
    English
    Words:
    1,560
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    14
    Hits:
    96
  14. Tags
    Summary

    Sans has been feeling lonely since Papyrus moved out. And then he finds YOU.

    And he decides that you'll be the perfect companion to keep the loneliness at bay.

    Series
    Language:
    English
    Words:
    12,899
    Chapters:
    6/?
    Comments:
    155
    Kudos:
    197
    Bookmarks:
    29
    Hits:
    3096
  15. Tags
    Summary

    Y/n is living in her sister, Blairs 12 room house. What happens when Blair decides to rent the extra rooms to a bunch of strange skeletons?

    Language:
    English
    Words:
    3,477
    Chapters:
    4/?
    Comments:
    7
    Kudos:
    31
    Bookmarks:
    11
    Hits:
    185
  16. Tags
    Summary

    A little spot for my shameless Sans x Reader oneshots and momentary inspirations to gather! Particularly, of the magical kind. Nagas, sirens, winged monstrosities, cursed creatures, fantastical beasts of all shapes and sizes... maybe even a normal skeleton once or twice, if you’re lucky! Canon is a speck in the rear-view mirror and we're all just here to have fun.

    So just sit back, relax... and enjoy the mess that is me being totally self indulgent.

    Language:
    English
    Words:
    26,845
    Chapters:
    7/?
    Comments:
    207
    Kudos:
    812
    Bookmarks:
    142
    Hits:
    9327
  17. Tags
    Summary

    Waking up with Sans is the best thing ever in your eyes. Mostly because of the conversations you two tend to have.

    Series
    Language:
    English
    Words:
    1,176
    Chapters:
    1/1
    Comments:
    3
    Kudos:
    20
    Bookmarks:
    1
    Hits:
    113
  18. Tags
    Summary

    These are story ideas that I had, but didn't have the inspiration to write. I've moved on from Undertale. If I wanted to write what I actually want to (not fanfiction) I needed to get these ideas out of my head. These are very detailed synapses, basically story outlines, of all the stories I couldn't write. Do with them as you please.

    Language:
    English
    Words:
    4,456
    Chapters:
    4/?
    Kudos:
    11
    Bookmarks:
    2
    Hits:
    141
  19. Tags
    Summary

    Over and over
    Over and over they always went back to the very start...
    Over and over every time they tried to advance it always restarted to the very beginning
    Over and over they are back to their old room
    Over and over they are starting to get frustrated
    Over and over they have to do all the same thing again

    Over and over they snap!
    Over and over they change

    They just want to continue the task they are doing at the surface.

    Then a change happen...

    Little did they know she’s the one puzzle they need to fix in order to move forward...

    Language:
    English
    Words:
    36,957
    Chapters:
    26/?
    Comments:
    6
    Kudos:
    43
    Bookmarks:
    8
    Hits:
    1459
  20. Tags
    Summary

    [ Child!Sans & Gender Neutral!Reader Insert ]

    "I never hated you."

    "Then why'd you always push me away?"

    "Because I was afraid."

    "Afraid of what? Me?"

    "Afraid that you would be like everyone else. I'm glad I was wrong though."

    + + +

    You didn't know how you ended up here, but quite honestly a part of you never wanted to go back.

    You were 12 when you found them. A world directly beneath your feet. You weren't the first human, no definitely not. You were only the first human to fall for their generation, but it made all the difference.

    You were a reckless, headstrong, and stubborn child, but that fire in your eyes was more than enough to set hope ablaze in their souls. Especially for a skeleton who never knew much more than his father, brother, best friend, and countless others who looked down on him. You lit up his dark sky with the embers of a youth he'd almost had to throw away.

    Language:
    English
    Words:
    22,035
    Chapters:
    10/?
    Comments:
    9
    Kudos:
    48
    Bookmarks:
    12
    Hits:
    408

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