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  • Underswap!Papyrus x Reader
    98.5K 2.3K 12

    You have lived in the underground for 4 months now, and had befriended the most adorable cinnamon roll ever, Sans. However, you couldn't help but to gain feelings for his brother, Papyrus, even if Papyrus pretty much hated you. Could you change his mind? Get him to fall in love with you? There was only one way to find...

    Completed  
  • Crazy For You •°•Sans X Insane!reader•°•
    20.9K 364 28

    Undertale characters does not belong to me they belong to Toby Fox.... ~~~ ~~~~~~ This is a sans x reader story and its about a girl who is insane but finds her one true love in a glimpse.... Sorry if its too cliché ~~~~~~ ~~~

    Completed  
  • Fight or Mercy | Underfell x Abused! Reader
    13.2K 257 16

    [2nd book] ((COMPLETED)) {Undertale AU - Underfell} [WARNING:ENDING AND PLOT IS VERY CRINGEY] "Long ago, two races ruled the earth, the Humans and the Monsters. One day, war broke between the two races. Many have fallen to serve their kind. Years later, the humans were victorious. With their magic, seven of thei...

    Completed  
  • Eyes of Fire (Gaster!Sans x Reader)
    270K 11K 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  
  • Grillby x Reader: War Zone
    81.8K 3.4K 11

    The reader is a wizard, beings with the shape of humans but the magic of monsters. Wizards were forced into the war between humans and monsters by the humans. There, she meets the monster general, Grillby. Cover photo belongs to: http://ask-grillby.tumblr.com

    Completed  
  • Gaster x Reader- Not Your Fault
    106K 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...

    Completed  
  • You're My Sunshine (Sans x Reader)
    12.4K 329 21

    You find yourself at Grillby's thinking about a certain friend of yours. Of course, by an either amazing or cruel twist of fate, you get stuck having an overnight stay at Sans and Papyrus' house. While you're there, you happen to meet up with that comical friend of yours who thinks it's a good idea to hang out with yo...

    Completed  
  • Happily Ever Aftertale (Undertale Fanfic) (Soon To Be Re-Written)
    16.4K 1K 57

    "Because not all family is to share the same skin. . . Literally." ~~~~~~~~~~ The Village wasn't your home any longer. That ended ever since you had fallen down. Now, you were to fend off for both you and your sibling, while hoping for nothing more unfortunate to cross your path. What you didn't expect was that you w...

    Completed  
  • |Timebeats| Error!Sans x Ink!Sans
    121K 3.6K 31

    **OLD WRITING WARNING** "... But... Your from... That. AU." "I-I kn-oW b-ut..." "No... I'm sorry... I can't handle being friends with..." "A-M-MisTakE...?" "..."

    Completed  
  • Addicted (Mafia Sans x Reader)
    85.6K 3.1K 24

    In a large city divided down the center into two territories, the humans, and the monsters, you're forced to pick sides. Living between monsters and humans have caused many close calls on your part. You try to stay out of it until a new type of drug starts circulating. This is no ordinary drug and it's sold by an extr...

    Completed   Mature
  • Copycat (Bk.1/SansxReader)
    42.9K 1.6K 54

    *I'm just a poor fanfic, nobody loves me* Everyone else writes 'em, so why not? You fall into the underground. A flower is there to greet you. A goat mother is there to care for you. But everything goes down hill when she disappears, and your forced to run. Your sister is after you, and your friends. You have to prote...

    Completed   Mature
  • The worst way (gaster Sans X reader)
    83.2K 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  
  • The half breed and comic skeleton (Sans X Fem!reader)
    96.1K 3.1K 24

    This is a rewritten story of mine, I have changed the story to a X reader as well. I am a half breed. I am half human and half monster. I believed no one would ever love me like normal people would for each other. That was until I met this one skeleton, who has his own secrets. I can only hope.

    Completed   Mature
  • Undertale- The Deeply Forgotten Sans X Reader
    60.2K 1.8K 40

    "You have fallen back down? Why must you keep coming back?" "Who are you?" "You've got lucky this time they have forgotten its a new start. Please choose wisely its your last chance." The voice faded away and so does your conciseness.

    Completed  
  • The Darkness (Papyrus x Fem!Reader)
    2.9K 123 26

    It's been five years since the barrier was broken by your cousin Frisk. You were very open to the monsters. As in accepting them. One evening you decided to try one of the monster's restaurants called Grillby's. What you didn't expect to find will change your world forever.. {Undertale does not belong to me, nor any o...

    Completed  
  • 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...

  • Truth Be Told (Sans X Reader)
    2.2K 84 18

    So, umm, this is my first fanfic/sans x reader, basically my first project in general! I hope u guys like it!

    Completed  
  • ErrorFresh: What is Love?
    91.2K 3.1K 41

    (This was written by a younger and shittier version of me. Please ignore any grammatical mistakes, plot holes, crappy dialogues, inconsistent plot, out-of-character characters (???), and a very unreliable author / narrator) The legend of the mountain was true, but only half of it were given. The half never revealed, u...

  • Cresent Moon (Sans X Werewolf! Reader)
    92K 2.1K 37

    "If you think of the dark, as a black park, and the moon as a bounced ball, then there's nothing to be frightened of at all." -Carol Ann Duffy. The moon; the cresent moon. Shone so brightly in the sky. I fell down and lost the only light I had left. However, I found myself an even brighter light in the darkness that I...

    Completed  
  • Our Fates (Error x Ink)(C)
    14.9K 446 7

    (I am no good at descriptions gahh! This is my first fanfic type thing so I bet it'll suck absolute arse when it's finished lmao) Constantly fighting,the first beings of the Earth are in a looped war zone. There is no way to stop them from fighting at all. But, one of them wants to stop it all. For good. Yet, these fi...

    Completed  
  • Stay Determined
    5.9K 172 12

    (Reader insert) Your last day of school is over, and like usual, the first thing you do is go to play your favorite game, UNDERTALE, but things are different. The dialogue, the events, everything. And soon, you realize that it's because Flowey wasn't done messing with you. In an attempt to ruin your life, Mettaton get...

    Completed  
  • Ink!sans vs Error!sans x depressed reader!!!
    70.2K 1.3K 12

    After a long childhood and teenage years of being neglected your mother and father tell you to never return.

    Completed  
  • Undertale; Inkerror
    29.2K 432 18

    This is a fanfiction about ink and error. ink and Error have been friends for a long time and they soon get together because of a sleepover and there's a little bit of sin in this book so if you don't like that kind of stuff you don't have to read this book. love ya' bye!

    Completed  
  • Gold's Eye GasterSans X Reader
    430K 13.8K 25

    You've heard the stories, of the mysteries of a man who guides lost ladies home by night legend says his voice is like a demon of hell and anyone who's ever approached him has died. One night you get lost and you uncover his real story

    Completed  
  • I Didn't Mean To (Sans and Reader)
    15.4K 423 46

    You are falling. Falling. F a l l i n g. On your journey through the he UNDERGROUND you do some things that you can never make up to someone. Someone who remembers all of your RESETS. Can you SAVE yourself from your past? Will you put it in your heart to forgive t...

    Completed  
  • Her Hatred | Sequel Of Forgotten Love
    17.6K 597 33

    Cover by: @HominaHomina123 622 FANFICTION [May 14, 2017] After years, in the surface. She came back to the underground. She met her friends again... But one day someone came... And she wants Ink to her own. Sequel of Forgotten Love. Disclaimer: I own nothing but the plot. Arts and characters belong to their respective...

    Completed   Mature
  • |Mafia!tale sans x reader| = /I'd steal you any day!\
    87.5K 1.8K 17

    You opened your eyes and you felt...packed...squeezed sorta you heard people talking to each other "We got the kid that's all there is to it Paps!" A more Anxious voice said "yes but we never kidnapped a child!" The first voice argued "she's not even a kid! she's maybe...twelve?" There's lemon part because someone wan...

    Completed