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  • W.D. Gaster X Neko Reader
    4.2K 84 7

    W.D. Gaster studies love. He studies his test subjects then kills them. But here's the question. Will he kill you? Or will you forever be in his heart?

    Completato   Per adulti
  • Handplates Gaster x Reader The Secretly Brocken Promise
    6.3K 98 5

    its all about (Y/n) relationship as Best friend's they've been friends sins kids until ther grew up as Adults They made a promis many years ago that they'll protect ech other and all weys stick together Better or worst By Plus they dont know they have a Crush at ech other But when gaster made sans and papyrus Gaster o...

  • Yandere!Gaster X Reader: My Beautiful Experiment
    19.1K 478 6

    For years gaster had hidden y/n away. Eventually she meets sans and papyrus and they finally escape as Gaster is in the void but can that stop him? Find out. Quotev version: https://www.quotev.com/story/7817215/YandereGaster-x-PacifistReader-My-Beautiful-Experiment My quotev: https://www.quotev.com/Thenightseye666

  • CREEPY SMILES |Gaster x Reader
    10.9K 353 18

    You've always have had a creepy smile, and it doesn't help that you have these scars on your face now.... It doesn't matter though, you're fine with it, and he's happy too... Simple Gaster X Reader fic, I hope everyone enjoys!

  • W.D. Gaster X Reader ! WIP
    2.1K 25 4

    Love W.D. Gaster ? Then u are ready for a lovely adventure to begin my friend ! Please read on !

  • W.D Gaster X Reader
    2.5K 35 7

    this is my first time so hope you all can enjoy

  • Idealistic: Gaster x Reader {Completed}
    57.1K 1.8K 46

    *front cover belongs to me* It's another beautiful day in the Big Apple, and what better way to celebrate it than to go to your new work. What will you learn? How will the events unfolding lead to love? This whole book is now cringe to me. I forget how chaotic this fan base is. :p

    Completato  
  • The void in my heart (Gaster X Reader)
    29.5K 811 22

    You're a human girl, living on the surface with Frisk, who is your younger sibling. You one day find two children, who's been chased away from neighborhood to neighborhood. And with you're kind soul, you couldn't leave them to live in the streets. You take them in, and meet their father. But will one day, lose them, b...

    Completato  
  • FRUIT OF THE VOID (Gaster X Reader)
    17.2K 792 12

    Dark, darker, yet darker. The darkness keeps growing in your life. You don't know why, but there's someone relentlessly haunting you. He won't leave you alone, and every dream you have is a nightmare. It seems peace is currently impossible for you. What great evil could possibly want to harm you? You never felt that...

  • Human (Gaster X reader)
    6.1K 112 3

    COMPLETE!!! This story is in the past! It plays off the idea that sans and papyrus are Gaster's kids. Being the past it means that his kids aren't born/created yet. Also monster kid, Frisk, Chara, and Asriel aren't born/created

    Completato  
  • HP (W.D. Gaster x Reader)
    57.3K 1.8K 20

    You lost your father in the war against the monsters. If it was up to you every last being that fought against man would be sent to execution. But it wasn't your choice.... unless it was? That's when you decide to visit the underground. All you needed was one excuse to rage another war against the monsters this time...

  • Gaster x Reader
    29K 824 5

    You had been getting these weird warning, mainly from Sans. You packed plenty of healing items and your heart locket to see what everybody is so scared of. You soon meet not only your friend, but a fun skeleton who stole your heart (not literally!!!)

    Completato  
  • Chipper Fellow (W.D. Gaster X Reader)
    9.8K 335 6

    chip·per ˈCHipər/ adjective/informal cheerful and lively _____________________ Not everyone would've described this skeleton man as 'chipper' at first glance. But [Y/N], someone with first-hand experience on how he acts, would definitely describe him as such.

  • Scientist - GASTER X READER
    148K 4.2K 19

    Hi guys! So this is actually my first time writing a adventure story (and xReader), so I am kind of sorry if it looks crappy!! ****** A long time ago, people were missing when they climb up Mount Ebott. They say there was magic, got lost, or even died. But when you discover the secrets of the mountain, you will get at...

    Completato  
  • Gaster x Reader: Trusting The Man Who Speaks In Hands
    38.9K 1K 12

    Your walking through waterfall when a door you've never seen before, materializes before your eyes. When you open the door you see him...

    Per adulti
  • Gaster x Reader
    159K 4.2K 61

    Pretty self explanatory. This takes place after the Pacifist route in Undertale. Through determination, Frisk was able to bring back Chara, Asriel (Asriel is Flowey per say), and Gaster. I believe that Gaster is the father of Sans and Papyrus. I also don't believe that Chara is evil. The monsters are on the surface, a...

    Completato  
  • Gaster x Reader- Not Your Fault
    105K 3.3K 13

    You're a human who has fallen down into the underground. There you meet a certain skeletal scientist and his sons. Will you get close to the family or will you become their enemy. Loosely based on TheBombDiggity666 Dadster comics (which you should totally check out if you haven't already) and occurs before frisk's ap...

    Completato