1 - 20 of 21962 Works in Sans (Undertale)

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  1. Tags
    Summary

    You ran away. You couldn't face your dark past, it was to much for you. You moved to Ebott City to start a new life. Swearing off friends and relationships all together. Or so you thought...Two skeleton brothers move in next to you. You can't help but be drawn into them. Will you let them in to help you with your haunting past? or will you run again when your past catches up to you?

    Language:
    English
    Words:
    38,132
    Chapters:
    21/?
    Comments:
    142
    Kudos:
    245
    Bookmarks:
    43
    Hits:
    2819
  2. Tags
    Summary

    Your philosophy is complicated, lengthy and specific, just as the entire moral compass of a living being should be. But it boils down to a notion that four skeletons are about to majorly screw up:

    Stick to the plan.

    Language:
    English
    Words:
    6,368
    Chapters:
    4/?
    Comments:
    13
    Kudos:
    45
    Bookmarks:
    8
    Hits:
    245
  3. Tags
    Summary

    Elementals are dangerous, bred for a war long past and long lost. Their purpose gone and nothing left to fight for, most died off after being sealed underground. Grillby long since found his peace. He had his bar. He had his friends. And most importantly, he had everything under control.

    Then you showed up.

    Language:
    English
    Words:
    16,013
    Chapters:
    11/?
    Comments:
    85
    Kudos:
    325
    Bookmarks:
    57
    Hits:
    4281
  4. Tags
    Summary

    Feudal era Japan 5 years after the barrier on mt. Ebott broke, monsters were free, the humans took time to be acquainted with the monsters, there are the occasional racists, but the monsters can defend themselves, I was not one of them, but I found comfort in the presents of the monsters, as master always says

    "it matters not who you are or where you come from, all that matters is if you weild your blade for the right cause."

    Language:
    English
    Words:
    20,817
    Chapters:
    10/?
    Kudos:
    1
    Bookmarks:
    2
    Hits:
    69
  5. Tags
    Summary

    This is a blend of a couple of ideas I've had floating around in my head for a while and finally decided to commit to one fic. The Royal delegation is heading north to sort out refugee status and establish an embassy in Canada's capital now that the barrier has been destroyed, but things take a turn when their carefully plotted trip is derailed by an almost fatal bus crash.

    Just as he's calculating how to get the monsters out safely as the vehicle is free-falling off of a cliff, he notices you doing something out of the corner of his eye as the bus slows it's descent. Did you just save them all?

    Language:
    English
    Words:
    21,666
    Chapters:
    17/?
    Comments:
    120
    Kudos:
    273
    Bookmarks:
    68
    Hits:
    2768
  6. Tags
    Summary

    Sans doesn't know why he was attacked, he's so scared- He can't believe what's happened to him, and yet- Why is Red so kind? And what is this warmth in his soul...? He's never felt it before...He wants...to be close to Red. But he shouldn't want that, right? He should be disgusted with Red for what he's done to him!! And yet...Sans is only disgusted by himself...for he...doesn't want to let Red go...
    Red has a job, a job that he quite enjoys. He gives people their darkest desires. Some breaking and entering that ends in sexy time? Sure. Some heavy BDSM? He's down. Some rape play? He's cool with that. He was commissioned for a cute, small skeleton- And damn, was he excited. They were adorable, so small in his arms... But...their sobs were a bit too loud...Their shaking too real... They would say the safe word, right? They would stop this, right? Why aren't they stopping this? Just say the word!
    "Peppercorn", Red says, his voice hoarse as he looks into the sobbing monster's eye-lights.
    "...that's...a spice, right?" They responded between choked noises.

    Language:
    English
    Words:
    3,983
    Chapters:
    3/?
    Comments:
    10
    Kudos:
    53
    Bookmarks:
    11
    Hits:
    375
  7. Tags
    Summary

    Papyrus hated his new life on the surface. There was so many rules and skeletons he wasn't use to and no one that he knew besides his brother. His brother that he wishes he can make amends with in this new safe haven of theirs, but isn't sure how. And why is this pitiful human he somehow made friends with through his glaring, so open to help him when his brother isn't? He just wanted to go home where everything was just a little bit simpler.

    Undertale belongs to Toby Fox and all the Undertale aus belong to their respected owners.

    Language:
    English
    Words:
    3,880
    Chapters:
    2/?
    Comments:
    1
    Kudos:
    6
    Bookmarks:
    2
    Hits:
    27
  8. Tags
    Summary

    If Geno can summon cat ears, who says that Error can’t?

    Series
    Language:
    English
    Words:
    1,104
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    18
    Bookmarks:
    1
    Hits:
    51
  9. Tags
    Summary

    Red appears in a strange world unlike his. Everyone says hi to him, everyone worries about him...and he can see the sun!! What was going on?

    It didn't matter. What mattered to him was keeping far away from Gaster...and keeping his baby safe.

    (A story that just wouldn't leave me alone, so I'm back, again, here, right now. Will include very much explicit sex scenes at later dates, and I'll put warnings up)

    Series
    Language:
    English
    Words:
    111,769
    Chapters:
    60/?
    Comments:
    633
    Kudos:
    273
    Bookmarks:
    34
    Hits:
    4506
  10. Tags
    Summary

    Dark, yet Darker.
    In spite of the invitation the Darkners and the entire kingdom received to join the above ground world, there are still a few left behind within the otherworldly caverns, lost, hopeless, or in Jevil's case, still locked up. Charlie, a representative for the rights and acts of monsters and the like, must find those who are left behind and bring to the light. Even if it breaks her.

    Warning: Spoilers! Lots of 'em.

    Please bear in mind this is a possible universe/AU/ending that I'm sure won't be canon due to the game being a demo. This will be eventual NSFW; no xReader for this storyline, maybe in the future if it is wanted. However, there are other humans here, too.

    Language:
    English
    Words:
    59,855
    Chapters:
    38/?
    Comments:
    71
    Kudos:
    121
    Bookmarks:
    12
    Hits:
    2876
  11. Tags
    Summary

    An ht bitty takes his chances. Will the human as well?

    Language:
    English
    Words:
    1,446
    Chapters:
    1/1
    Kudos:
    6
    Bookmarks:
    2
    Hits:
    21
  12. Tags
    Summary

    Red is sick of this dry spell, and buys himself a hooker.

    Language:
    English
    Words:
    2,202
    Chapters:
    1/1
    Kudos:
    8
    Hits:
    75
  13. Tags
    Summary

    Papy has dissappointed Blue one too many times. The little skeleton decides to leave, not only to clear his mind but to test Papy aswell. Does his brother love him? Or doesn't he even notice Blue is gone? Blue finds help in the most unlikely places and from the unlikeliest people.

    Language:
    English
    Words:
    48,178
    Chapters:
    17/?
    Comments:
    110
    Kudos:
    159
    Bookmarks:
    30
    Hits:
    1919
  14. Tags
    Summary

    Everything was fine. Gaster finally had a happy family. But then something happened to Sans.

    Series
    Language:
    English
    Words:
    1,361
    Chapters:
    1/3
    Comments:
    1
    Kudos:
    6
    Hits:
    20
  15. Tags
    Summary

    The title is a lie. A big. Fucking. Lie. It is anything but typical on this disastrous Tuesday. I guess that part wasn’t a lie.

    What starts off as a good- no, great day for Sans ends up being shit. Shittier than shit even. Who knew so much could go wrong in less than 24 hours. They can get through it though. They’ve all been through worse...Probably.

    But hey, tomorrow is another day.

     

    This may or may not just be a reason to hurt my son for no apparent reason. A bit of self indulgence if you will.

    Updates every other Tuesday

    Language:
    English
    Words:
    24,012
    Chapters:
    14/?
    Comments:
    28
    Kudos:
    60
    Bookmarks:
    6
    Hits:
    780
  16. Tags
    Summary

    The Mansion on Loft Avenue, everyone and their mothers had heard of it.
    They say that a vengeful ghost lives there, haunting and killing anyone dares to disturb its home.
    Well, that's half true.
    The killing part was way off, not even close.
    You are Y/n, a spirit bound to the infamous mansion in a small town near Mount Ebott.
    Your goal? To find a way to escape this damned mansion that won't let you leave and to restore your memories.
    The problem? Some pesky skeletons plan to live in your home and they don't seem to be leaving any time soon.

    Language:
    English
    Words:
    13,034
    Chapters:
    5/?
    Comments:
    50
    Kudos:
    177
    Bookmarks:
    40
    Hits:
    1088
  17. Tags
    Summary

    So maybe things went a little bit worse for the wild living skeletons.
    And maybe Reader didn't get there just by moving in innocently.
    After all, a house nobody wants to live in out of terror is pretty cheap...

    Language:
    English
    Words:
    3,937
    Chapters:
    1/1
    Kudos:
    7
    Bookmarks:
    2
    Hits:
    33
  18. Tags
    Summary

    For five months, the monsters have been on the surface and everyone is settling into their new lives.

    Sans and Papyrus, are no different. They've found their family, and happiness is found in baby steps.

    Series
    Language:
    English
    Words:
    9,677
    Chapters:
    3/16
    Comments:
    7
    Kudos:
    13
    Bookmarks:
    1
    Hits:
    103
  19. Tags
    Summary

    Due to an accident Blue and Error are sharing a body, and they know no one will believe who they are. Now what is the cinnamon bun of the universe and the god of Destruction do now that they can't go home and no one recognizes them. Well.. Bluescreen always did like pranking and Trolling.

    Based on my idea: Cinnamon and Beans from the Idea Factory on Wattpad

    Language:
    English
    Words:
    6,343
    Chapters:
    12/13
    Comments:
    25
    Kudos:
    64
    Bookmarks:
    12
    Hits:
    369
  20. Tags
    Summary

    After taking a bullet protecting the judge Sans from a stupid mobster a woman finds herself in the care of the powerful Aster mob family. Having carefully maintained a balance to keep her mother safe now she finds herself sinking deeper and deeper into a world she's terrified she's to well suited for.

    Language:
    English
    Words:
    28,934
    Chapters:
    7/?
    Comments:
    70
    Kudos:
    313
    Bookmarks:
    64
    Hits:
    3027

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