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  • Bonerable (Gaster!Sans X Reader)
    142K 6.6K 29

    The barrier was lifted, the monsters were free but not accepted; hell broke loose, the wars were resumed. The monsters had no choice but to retaliate to the human's advances. Resources were scarce, the earth seemed unhabitable and the only way to survive was through violence. You lost all hope when you were forced to...

  • 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
  • My Precious Flower (FloweyXReader) [DISCONTINUED!]
    500 0 1

    This is my first book. This story is about the flower that you find in the beginning of the game Undertale. His name is Flowey. Enjoy :3

    Mature
  • (Drop Pop Candy) Papyrus x Reader
    20.8K 723 13

    An Undertale fanfic

    Completed  
  • All Tied Up (Error Sans x Reader)
    170K 4.4K 23

    > Your just a regular human that fell down the hole that supposed lead to the underground, you come across many obstacles and find yourself in much of a sticky situation, more or less your tied up. •IMPORTANT• Hello wattpad users, this is actually the first story I'm actually making. So I'm sorry if it's suckish or te...

  • Undertale Sans x Reader One-Shots!
    166K 2.8K 18

    Basically the title says it all. Give me a request and I'll write it! (I got nothing better to do with my crazeh life anyway...) Aus I know: Underfell Gaster!Sans Outertale Underswap Scientist!Sans And many more but I'm 2 lazy 2 type :p

    Completed  
  • -Old Friends- Ink Sans X Reader X Error Sans
    116K 2.7K 17

    You've fell into a dark hole and met Flowey, you and Flowey acted like enemies and you wanted to be friends. You met Toriel and had to leave, but you hated your life in the surface. You ended up in the snowed woods and heard kids playing, but you were cold as HELL. You rubbed your hand for warmth but it created a (F/C...

    Completed  
  • Aftertale Sans x Reader
    200K 4.9K 52

    This is for those who think aftertale sans is either hotvor adorable.

    Completed  
  • Dancing Into Tomorrow//Dancetale
    46.7K 1.9K 25

    He had given up. He didn't care about what was happening around him. He didn't care about dancing anymore. He hardly cared for anything now. But secretly, he cared too much.

    Completed  
  • Starstruck Underswap!Sans x Reader
    4.2K 147 1

    just a cute little one shot!

    Completed  
  • [[DISCONTINUED]] There's Never Enough Of You 《Gaster!Sans X Reader X Grillby》
    46.1K 1.9K 16

    NOTE: THIS STORY IS DISCONTINUED [Drawing on Cover by: SmokyJack on Deviant Art.] You clumsily bumped into someone on your way home from work, apologising as their papers from their arms and scatter along the ground. Feeling horrible, you kneeled down to pick their belongings up for them. As you handed the pages back...

  • Pick-up Lines {Gaster!Sans X Reader}
    5.1K 208 1

    Well, because WHY NOT?!?

    Completed  
  • A Problem? {Ink!Sans X Reader X Error!Sans}
    266K 9K 55

    "W- Who are you?" "YOU DON'T HAVE TO DO THIS!!" "Just be safe." "Here, let me help you." "I don't want to hurt you!" "Calm down." "Please Stop." "Listen, it's okay." "Don't worry." "Be careful!" "Everything's alright." "I won't ever let you get hurt." "I Promise." "I Promise." ~~~~~~~~~~~~~...

  • AU: Yanderetale: Pacifist (Yandere Undertale X Reader)
    293K 6K 22

    My name is (y/n) (l/n) and I have no idea how I came here to the underground. No, really, I just woke up in a patch of flowers... Anyways, I've heard legends about monsters that live underground... They exist. But something about them is just... Odd... I've heard from monsters that the king is obsessed with us human...

  • [Gaster! Sans X Reader] Soul Of Freedom
    52.2K 1.8K 15

    You heard about it. When the barrier was shattered. When monsters were finally free. That was until another war broke down, causing them all to get trapped in the underground again. Rumors spread that the humans killed a child named Frisk for setting them free. "Every monster that we find out in the surface, will be s...

    Mature
  • Papyrus X Reader Lemon
    4.6K 74 1

    Completed  
  • Neko!Sans x Neko!Reader
    32.8K 1.1K 6

    Monsters came to the surface and Y/n could finally come out of her hiding spot. Y/n was a neko,mostly classified as monster. What happens if she meets a neko skeleton?

  • Yandere Underswap Sans x reader [COMPLETE]
    55.3K 1K 8

    You always thought of Sans and how cute he was all the time to his laugh to straight out personality. But things are starting to change, when Sans got in a fight with Papyrus, and your friend Muffet disappeared. Until you discover a dark truth about Sans and his love for you...

    Completed  
  • Sprinkles (Underswap Sans x Reader Fanfic) [DISCONTINUED]
    18K 422 22

    You're in the magical land of Underswap. You meet 2 brothers, Sans and Papyrus. Papyrus is the lazy one, and Sans is the happy and quirky one that always says; "Mweheheh!" In an adorable way. You want to be 'friends' with Sans, but Papyrus might interfere. Will you gain Sans's love? Find out!

  • Yandere! Underswap Sans x Reader
    49.7K 954 7

    She closed her eyes as her life flashed before her eyes. "That smell..." She said as she cringed,lifting her head up. "Death..." She let a few tears escape her eyes. 'Why should he....do this?' She thought over and over again,looking at the chains that held her. "Help...." Is all she could say before she passed out. T...

  • Back again? Ink!Sans X Reader X Error!Sans
    47.6K 1.1K 18

    The sequel for Ink Sans X Reader X Error Sans! Enjoy the continuation! :)

    Completed  
  • A Second Chance GASTER SANS X READER
    83.6K 2.6K 20

    This is for my amazing readers and I made this for those who couldn't wait for it. I hope you like it.

    Completed   Mature
  • Sansxreader Oneshots[discontinued]
    807K 25.9K 85

    Tbh some of the one shots have multiple parts! And this is filled with trash! So yea, read if ya want to Slow updates sometimes WARNING : THERE IS A LEMON IN THIS BOOK, IT HAS A WARNING AT THE BEGINNING, IF YOU DON'T LIKE THIS TYPE OF STUFF THEN SKIP THAT PART OF THE ONE SHOT THANKS

    Completed  
  • Error!Sans AU X Reader
    16.6K 414 3

    I'm thinking LEMONZ but, I dunno yet. Enjoy this new book and I hope you all love it!

  • Crossfire -Gaster!Sans x Reader
    92.4K 3K 42

    What would you do if you lost your family and had to be alone? A girl named Y/N, has lost her family from the war. She hates monsters to this very day. But what if she finds a monster that changed her life forever? Would she befriend the monsters or make more of an enemy out of them all? ____________________________ I...

  • Love For A Friend (Human Sans X Reader) DISCONTINUED
    16.7K 583 6

    You had been staying in an apartment next to your crush/classmate Sans. When a pipe in your apartment breaks, you begin to stay with Sans and his younger brother Papyrus. Where can this lead?

    Mature
  • Let Me Run
    702K 29K 67

    It's been two years since the barrier was shattered... All was well until humanity's opinion and voices ruined it all. The war had begun. --------------- Although one girl had always seen the world as a sickening place... A majority of humanity was indeed contaminated, but she was one of the individuals who deserved t...

  • Hell's Hounds(Gaster!SansxReader)
    7.9K 221 3

    So, Frisk set all the monsters free from the underground and they're becoming the ambassador for the monsters. And in this story Sans happens to be Gaster!Sans due to a 'accident' that is the cause of Gaster's death. And you're like forced to protect the 'gang' (Frisk, Papyrus, Gaster!Sans, Flowey, Undyne, Alphys, Met...