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  • ~Why do you care~ [Underfell Sans X Reader] [•COMPLETED•]
    238K 6.5K 51

    Warning: possible swearing, inappropriate humour, perhaps lemons? Idk. Just stop being a goody two shoes and enjoy the book, kid

    Completed   Mature
  • (Underfell sans x reader (female)) UNDERCOVER
    495K 17.3K 64

    You're a human that has fallen into Mt. Ebott on the year where all humans dress as monsters...Halloween. So how will the monsters know if you're a human or not?

    Completed  
  • An Old Friend ' Underfell Sans x Reader '
    104K 2.8K 30

    You and Sans had been friends since you were little, when the monsters had to leave, you were really upset that your only friend, Red as you called him, had to leave. Will he remember you after 7 years of being in the underground? Or will he just forget about you? To find out, read 'An Old Friend' Underfell Sans x Rea...

    Completed   Mature
  • My Pet~ Underfell Sans x Reader
    281K 4.6K 53

    A fan fiction from a fangirl who needs to go to therapy once and a while ~Darky

  • UnderFell Sans X Reader
    245K 5.1K 34

    Well yea this is an shipping and yes alot of Lemon cause well Underfell Sans is rough ehehe i know in werid well my first time doing this so if i do make a mistake well comment and help me make it better This can be for guys and Girls i really dont care i know you all think it wrong but meh really dont care if you tal...

    Completed   Mature
  • (Finished)The good Nightmare (Nightmare sans x reader)
    136K 3.3K 24

    You are an emotopath meaning you can feel emotions and a very strong one at that so felt more than emotions. Your parents were horrible to you and the students at school were no better. At the beginning and end of every day you would go to the tree, 'your' tree. Sitting in it not knowing someone else was there, and li...