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  • Princess of the Underground (Gaster!Sans x Female Reader)
    146K 5.9K 55

    [Y/N] lived with her adoptive mother Toriel for a while. How long is that? About three years. Throughout the time, the monsters in the Ruins know her as if they were her siblings. Flowey became way nicer each day around her, losing his soulless behavior. He cares about her so much he promise to protect her. All was...

    Madura
  • Try me, Bones. (Gaster!Sans X Reader) Wattys2016
    110K 3.7K 36

    The only way to the top in this world, this world born of war, born of death, the only way of ascension? ...is to become someone you don't want to be. And so I've got to break a promise. Because I've got a job to do. And there's no-one who's going to keep me from it. ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~...

    Completa  
  • Snowglobes ∆Gaster!Sans x Reader∆
    70.5K 2.9K 62

    Highest Rank: #290 in Fanfiction ××× "Its a mad, mad, world out there, girlie. And your kind just makes it madder." Everyone has a lock. Some people are lucky enough to find someone who holds the key. Opal's lock has been rusted and unused for years. But when a bipolar skeleton wipes away the dust and doesn't mind...

  • Somethings Not Right// EchoFell!G x reader
    7.2K 254 16

    A mysterious virus that spreads across the nation as fast as lightening. No way to cure it and no way to survive from it. But could there be a way to somehow be immune to it? Could their really be a cure if someone could possibly could be carrying it within their body? It's only a matter of time before everyone is ap...

    Madura
  • Hold Still GXReader
    63.2K 2.7K 26

    (Y/n) has had a rough life, how could it get any worse? Let's let G answer that. ~~ This is a Complete Rewrite of Hold Still! I don't own any of the pictures or Songs.

    Completa  
  • Gaster Sans X Reader: Prisons And Empty Walls
    2.7K 69 4

    What would you do if you were framed for a crime you didn't do? What will happen if you fall in love with the biggest, baddest criminal there?

  • G! Sans x reader
    22.8K 606 8

  • Accused of Murder - Gaster!Sans x Abused!Reader
    4.8K 113 5

    18 year old girl, named (Y/n), is on the run, accused of murder. Whether or not she actually murdered them, that's her secret. She's on the run from the police, and going down a dark path. She lives in an abandoned motel with her friends (bff/n), (f/n), and (2/f/n). They are all in a situation of life or death, and ca...

    Completa  
  • Fix This Broken World (G!Sans X Reader)
    10.4K 311 5

    "If just this once, maybe it's time to spare a human, this human is quite broken and needs as much fixing as the rest of the world. Son, listen to me." That was what Sans heard the night of the second war. "He's coming now." That was what you heard from the mysterious voice that occasionally spoke to you.

  • Chainsmoker [ Gaster!Sans x Reader ]
    30.5K 1.7K 15

    Routine. The entirety of every living thing is dominated by it, human or monster. Everything HAS to be the same. It was in this that you were the exception. For you everything was new, every time line a detailed altered in order to satisfy your sadistic desire for a new ending, whether it be only a few details of dial...

    Completa  
  • (G!sans x reader) Thats Life For Ya
    3K 120 12

    The beggining and the end... A fanfic of the backstory and what happens right then in the future. Im pretty sure you'll like it. But beware it has +18 shit in it, pft. Enjoy :)

  • Souls of the Brave and Forgotten~{sequel To kitten}~ *incomplete*
    4.7K 204 9

    After years of hiding, training, and planning. The monsters are finally ready to take on the humans.

  • Matchmaking: Gaster Sans X Reader
    9.3K 416 3

    It was a simple project for your programming class- to make a matchmaking app. Only catch, everyone's partnered with the opposite gender, so each gender gets input on the app. And it's even worse when you get partnered with a flirty skeleton.