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  • be my girl (gaster sans x reader) EDITING
    99K 2.5K 27

    You are a 16 year old girl with a magic glowing eye living in the ruins with toriel and frisk you're younger sister. you have never been let out of the ruins not until one day toriel sends you to meet 2 skeletons. will you fall in love with sans or will you're love crumble? undertale belongs to Toby Fox

    Completed  
  • Anything for you
    50.9K 2.1K 40

    "It couldve been worse." He says as he sits down exhausted "How.." i sob. "We couldve gone against your word and just killed them." He replies earning a glare from me. "Thanks that makes me feel loads better." I say sarcastically. "But we didnt, cuz we all love ya too much."

    Completed   Mature
  • "I Love You..." {GastersansXBullied Fem Reader}
    386 13 3

    Your life hasn't been the best, Your parents don't really like you, and you're being bullied Way too much at school. Yeah, your life is hell. Until you meet Sans. I don't own undertale or Au's, Including Gsans.

  • 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...

    Mature
  • Gaster Sans X Reader(When You Love A Demon)
    31.3K 860 23

    This is about a demon who slayed many humans and monsters. The demon is you. Your life change when you met him. This is only the beginning. Your secrets,passed memories, and your life at the pass timelines. Joy,laughter,sadness,excitement and most of all love. Hurry now and open the first chapter of your story

    Completed   Mature
  • The worst way (gaster Sans X reader)
    83.1K 2.1K 24

    Normal days in your huge...lonely....stupid house that was given to you by your mother and father. They gave you everything, but not out of love, just to get you out of the house. You were only 16, you could barely even drive. They bought you this house, bought you a car, a nice one, and gave you your uncles motor cyc...

    Completed  
  • Hidden Inside (Gaster!Sans X Reader)
    85.9K 3.4K 31

    After the monsters are set free, they aren't too keen on befriending humanity. They won't show themselves yet. They will get revenge on the war the humans had waged years ago. Now they attack in secret, getting patrols and assassins prepared at nightfall. One of the pairs of assassins is Gaster!Sans and his brother. W...

  • Lost Without You (Gaster!Sans X Reader)
    76.5K 3.5K 18

    This story will contains things such as ABUSE, CAPTIVATION, VIOLENCE, ect. This is the only warning I will give, so if it's not your cup of tea- sorry about that! . . . Death. War. Violence. A world torn apart by two separate races. In a place like that, can peace even exist? Will you fight for your freedom as a human...

  • My Lazybones Sans X Female Reader
    69.6K 2.1K 34

    So you are a sweet and shy 15 year old girl who lives with her mother and father.Your Mother and Father have decided to take you to a trip to Mt.Ebott for a family vacation.Once you got there you decided you've wanted some alone time even though your father disapproves your mother convinces your father to let you expl...

    Mature