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  • 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...

    Completed  
  • Kindness Artist reader x glitchtale
    855 4 5

    When doing a failed fucking genocide run and someone or something comes out of the underground all hell breaks lose... Or does it? I don't own any of this art or memes

  • Rebel love ~GSans x Reader~
    23K 876 36

    You are a college student at the age of 20 living with your mom. You have a good relationship with your mom and you act childish sometimes. You would say you live a pretty normal life, but that all changes when you meet a certain skeleton.

    Mature
  • Why? • Gaster!Sans x Human!Reader
    163K 6.1K 60

    'When I was 13, I killed someone. By accident of course... It was the day I found out I possessed some type of power.' You kept it to yourself for years until one day it all went wrong. For your own safety you run away to the depths of Mt. Ebott in hope that the legend was true. But once you fell down you s...

    Completed  
  • W. D. Gaster x Reader
    181K 3.2K 42

    A collection of one shots between you and the man who speaks in hands. Some will be long, some will be short, some will be happy, some will be angsty, some will be fluffy, some will be smutty. I will write for certain AU's, but don't be offended if I ask for an explanation of the AU you request, I don't know them all...

    Completed   Mature
  • Glitched Love - W. D. Gaster x Reader
    57.2K 1.6K 31

    You, a human, have fallen down into the underground. After having exploring most of it, you have successfully made lots of friends and killed no one. While you want to go back home to your town above ground, all your friends that you had made you decided to stay, or for the moment at least. Very soon, you will end up...

    Completed   Mature
  • The War Amongst Us (W.D. Gaster X Reader)
    63.2K 2.9K 24

    (Y\N) is a young female spy and soldier fighting in the War of Humans and Monsters. She is fighting on the humans' side of the war until a turn of events when she becomes apprehended by the enemy. What will happen when a young monster scientist tries to change her views? Thanks to Itachei on Deviantart for letting me...

  • Light in the Dark (Gaster X Reader)
    8.6K 393 16

    He went blind in a freak accident at the lab. Now all he 'sees' is darkness. Until.. he meets you.

    Completed  
  • Gaster Gang X Reader [REQUESTS CLOSED]
    11.8K 142 41

    I DO OC'S X CANON!!!!!!

    Completed   Mature
  • - My Angel from the Sky - Gaster x Reader
    87.5K 3K 30

    Suddenly you find yourself in the Underground, with no memories and an unknown and painful past. Your first encounter is Flowey and he tells you how weird and different your soul is. What does it mean ? What happened to you ? A fated meeting awaits you. The beginning of everything. THE UNDERTALE P.S (GasterxReader) Th...

  • Life as a Skeleton Sitter
    3.9K 195 21

    this is a very slow burn about you and mafia G. you are a well known babysitter for the monster mafia and occasional helper to mettaton with certain jobs that takes a womans touch and your unique predictive abilities. G is a harsh sexist prick who seems intent on hating you for some reason no mater how hard you try. w...

  • Idealistic: Gaster x Reader {Completed}
    56.9K 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

    Completed  
  • Fallen Angel (Gaster x reader) OLD
    146K 5.9K 49

    OLD AND BADLY WRITTEN THE REWRITE IS POSTED ALREADY DISCLAIMER: The god figure created in this fanfic is purely fictional. He is purposefully made to be prideful and cruel and is not supposed to represent any god. I am religious myself and I did not intend to attack anyones believes with this book. An angel. Sign of...

    Completed  
  • A New Friend ♡ Glitchtale!Gaster x Reader
    7 0 1

    Monsters have finally been brought back to the surface, and so, can live in peace with mankind. But, a bunch of shenanigans ensue, bring a tale of death.. misery.. sadness.. fear.. and.. Love? What the fu-

  • The Original (An Undertale Fan Fiction)
    10.8K 438 13

    Y/n is Sans and Papyrus' older sister. She has found a way back from the void and has to learn how to adjust to life back in the real world. She was the first to be created by W.D. Gaster, but a malfunction happened during her creation and she turned out to look more human than skeleton. Her only resemblance to a skel...

    Completed  
  • 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
  • We Speak In Hands (Gaster x Female!Reader)
    37.8K 2.1K 33

    Gaster is the current royal scientist, set with a mission to break the barrier and free monster-kind from their underground prison. His loyalty and persistence to the task is clear, since he'll make whatever sacrifice necessary to complete it. However, even a perfectionist can be blind to some of their own flaws. Gast...

    Completed  
  • Only You {Gaster!Sans X Reader}
    4.2K 161 20

    Pain. Pain is all you really felt anymore. Sometimes physical, sometimes emotionally, sometimes even both. You lived with your abusive father, brother, and sister. Your parents devorced long ago, and your father blamed it on you that she left. Why? Because he hated you, and blamed everything on you. You were always t...

    Mature
  • Echotale Gaster Sans x Reader
    28.8K 595 22

    This is not a lemon but it is funny and romantic, But mostly funny. These characters do belong to the person who created echotale, but the story is mine. It isn't following the echotale story line, I'm just using some of the characters and the setting.

  • [Load] or {Save}* (Gaster!Sans x Reader)
    9.5K 619 38

    "I'm in love with you." You stood outside his door on the brink of tears, but you were determined to make him hear you. The door opened revealing G shirtless, and Frisk standing not too far behind him. "What?" his voice came out like a whisper. And there you were, mortified. You're best friends with G and Sans, but yo...

    Mature
  • Hey, Doll | Gaster!Sans x Reader
    256K 13K 47

    Alone in a condemned world where monsters and humans fight for power constantly, Y/N survives off of the wood's riches and the small scraps of shelter she can find in ghost towns. Allies and friends have come and gone during the war, either killed or have parted ways. It's not all that bad. She could be dead, after al...

    Completed   Mature
  • Try me, Bones. (Gaster!Sans X Reader) Wattys2016
    109K 3.6K 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. ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~...

    Completed  
  • Eyes of Stone (Gaster!Sans x Reader)
    59.5K 3.1K 52

    His eyes were like stone, cold and dead against the blank snow. Hers were like melting frost, swimming in glacial lakes like an undisturbed winter. It was journey of finding and losing her, an adventure of losing and regaining him. A trial to see if their love was truly set in stone. (SEQUEL TO 'EYES OF FIRE') (FANFIC...

    Completed  
  • Eyes of Fire (Gaster!Sans x Reader)
    269K 10.9K 63

    (FAN FICTION BASED OFF OF VIDEO GAME 'UNDERTALE') His eyes were like fire. Amber. Dangerous. But they intrigued me. The flames of his soul danced and encased my heart. It was needless to say that I didn't mind. (COMPLETED)

    Completed  
  • (Gaster sans x reader) unforgiving stories (on hold till Christmas is over)
    3.9K 118 16

    The history of monsters, long forgotten under the pages of what we call fairy tales, the grim fairy tales. No one believes in monsters. And for those who do, they all Just laugh at them , say you have paranoia. And for those who want to believe...the ones who do... You won't like what comes next After you see one...

  • Hold Still GXReader
    62.9K 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.

    Completed  
  • 𝐆 𝐨 𝐝 𝐟 𝐫 𝐞 𝐲 (mafiatale g sans x frisk)
    18K 771 22

    "Bought you a sewing kit." "What for?" "For you to sew your balls back on." ••••••••••••••••••••••••••••••••• Frisk. Young Smart And fast a calm before a storm. She works as hitman and qualified as a professional at her work. Used to be enrolled in the most prestigious academy for those who seeks careers as a.. Cleane...

  • Fallen Angel(Gaster x Reader) REWRITE
    1.1K 82 9

    (Cover drawn by me) The angels weren't supposed to pick sides. They were created for one reason and one reason alone. Protect the humans from any threat. There was no such thing as a grey area when your entire worldview was supposed to be black and white. And yet yours ended up shifting. The things that once felt righ...