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  • Royalty {Undermafia! Sans X Reader}
    48.4K 1.9K 18

    A place full of hit men and death. A place where the mafia thrives. Will you be killed...or warm a Skeleton's stone cold heart.

  • UnderMafia Sans X Reader
    117K 2.7K 19

    So since I love undertale so much and I know that not a lot of undermafia stories are out there plus this is my fifth favorite AU do why not?*chuckles*okay okay so you are working for your boss(which is frisk)You are the main hitman or collector lets just say frisk trusts you more and your really good at your job and...

    Completed   Mature
  • Sansational! (Sans X Reader)
    245K 3.1K 12

    Oneshots Compilation of Sans and his AU!Sans bretheren. (Lemon Warning) Ah yes, Undertale. The game that ruined my Christmas break in the best way. (2015)

    Completed   Mature
  • Lost in Despair (Lonely!Sans x Mute!Reader)
    428K 21.5K 49

    Press your fingers together, zip your lips shut, and throw away the key. Once it's time to be free, go fetch that golden key and speak. Unless someone stole your golden key and threw it in the depths of the Black Sea; your nightmares and worst fears. ---- "Even if it kills me a second time." ---- The series- First...

    Completed   Mature
  • A Monster's Love (Mafiatale Sans X Reader)
    6.2K 239 21

    Sequel to: A Monsters Hope

    Completed   Mature
  • Addicted (Mafia Sans x Reader)
    83.5K 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
  • My One and Bonely (Sans x Reader)
    620K 20K 36

    My first story. It's a sans x reader fic, so don't judge too harshly. Also I have some bad pacing issues, but I hope yall will ignore them. Anyways on with the summary! You see monsters everywhere. All of theme unique and friendly. You ask "how could anyone hate them?" When you save one of them, you're life takes a dr...

    Completed  
  • For Your Sake (Gaster!Sans X Reader)
    60.2K 3K 20

    THIS IS A SEQUEL BOOK!!! IF YOU HAVE NOT READ THE FIRST BOOK YET THEN GO FIND IT ON MY PROFILE!!! Anyway, now for the summary: After death, you hadn't expected much to happen. You fell immediately into a place like the void. You just wanted to reconcile for what you'd caused, but your heart had a wish of its own. You...

    Completed  
  • Blown Through The Rift (Gaster!Sans X Reader)
    243K 9.5K 35

    You were working with Alphys in the lab in Undertale when chaos strikes! In a freak accident, concentrated determination is mixed with an unnamed concoction and blow you through a dimensional rift. When you reawake, you find yourself in what seems to be the beginning of Undertale once again. Upset but not overly surpr...

    Completed  
  • The Nightmares{Sans x Reader}
    22.2K 691 7

    {Just read... Wattpad deleted my description which took me forever to type ;-; }

  • Bonerable (Gaster!Sans X Reader)
    141K 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...

  • Eleutheromania | Gaster!Sans (UNDER HUGE CONSTRUCTION)
    11K 433 11

    obsession for freedom.

    Mature
  • To Love A Demon (Gaster!Sans X Reader)
    106K 3.9K 30

    *Do you fear me? "N-No" *Are you sure? "Yes." *You will learn to fear me Heh. Well here we are! I hope you enjoy this sin. I'm going to take my time and let you learn to love the characters slowly. So if you're the ones who like lemon in the first chapter, this is not for you. *Don't worry sweetheart. It will be worth...

    Mature
  • ~War~ A G!Sans X Reader
    34.9K 1.3K 20

    This story is under massive editing once again ⚠⚠ Hopefully ill get it back up and running so that its actually enjoyable!

    Mature
  • 《Genocide 》Sans X Reader
    68.5K 2.8K 17

    Edit: This is my first fanfic and I find it terrible, but if you wanna read it go ahead. Not everything will make sense. What happens when you fall in love with the skeleton who wants to kill your sister for killing their brother? It has to be him or her. Who will you choose?

    Completed  
  • A Little Bonely (Sans X Reader)
    340K 8.5K 51

    Monsters always fasinated you. Ever since Frisk broke the barrier and freed the monsters, humanity didnt take it too well but they are slowly getting used to it. Slowly. Very...slowly. (btw Chara is depicted as a female in this story, and so is frisk. Dun be triggy) HEY ALL! This is my first fanfiction EVER! so dont j...

  • Love Within Emotions (Sans x Reader) [CANCELED!]
    25.2K 1.1K 14

    You bump into a monster, the skeleton Sans. Over time you get accustomed to each other. Maybe even a little to accustomed. Weird and just plain awkward things happen along this fun filled adventure through, oddness. This is not a lemon, but does contain dirty references here and there. The reader will be referred to...

    Mature
  • Ursa Major (Sans X Reader)
    150K 5.7K 24

    It had been a couple months since your little sister went missing. Guess how surprised you were to see her on the news with the headline "Young Girl Helps Monsters Escape". When you meet the friends she made in the underground you can help but to love all of them, especially a skeleton with a love for puns and stars...

  • Gold's Eye GasterSans X Reader
    429K 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  
  • A Second Chance GASTER SANS X READER
    83.1K 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
  • Cryophobia - (Sans x Reader)
    1M 41.7K 24

    Next person to comment on this monstrosity gets fucking vored!! × ❝You made your choice a long time ago.❞

    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...

  • Sans X Female Reader
    53 3 4

    You fall down a hole not remmebering who you are, the only thing you remember is your name. After exiting the RUINS you meet this bonely skeleton, seem to be a comidian. What happens when a female helps him not be so bonely anymore?

    Mature
  • 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 Lazybones Sans X Female Reader
    68.9K 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
  • Sans X Reader Lemon
    59.1K 454 2

    Just look at the title :3

    Completed  
  • Sans x reader lemon
    29.6K 348 2

    Mature