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  • A Harem Of Dere's (Au Sans & Papyrus x Shy, Introverted reader)
    1.2K 35 5

    Hidden from the world, Untold Truths unfold. Obsession,Lust,Love to blind them all. She might live when they fall. A shattered soul in tears, Hidden away in fear. Welcome to Your H*ll.

  • [ON HIATUS]"He Said" Undertale / Au Various x Depressed! Reader
    963 35 5

    *THESE AREN'T ONESHOTS! THIS IS A REVERSE HAREM* Ever since your mom died, life has been pretty hard. Well, harder. You've been depressed ever since age 11. You're now 19, going on 20. You're a very artsy person, and love all things art. Music, drawing, you name it! As long as it's art.

  • A Humerus Time (Sans X Reader, Papyrus X Reader){DISCONTINUED}
    3.3K 114 9

    You were just a normal college student, you didn't expect to wake up in a house full of very familiar-looking skeletons from different games, let alone next to a giant one with a gaping hole in its head. You were already stressed out with trying to find out how you had gotten there in the first place, you didn't need...

  • Finding Fresh Air - Swap! Papyrus x Reader (Rewrite in progress)
    26K 956 22

    !! Long Chapters !! 1000-4000 words each! **This book will be continued by another person so check the A/n at the end of the book to go to their continuation of this!** ---------------------- Y/n is a wonderful person, she's kind, calm, a bit lazy, and loves comfy clothes! Although she's a wonderful person, she gets c...

    Completed  
  • || Catching Feelings || AU Sanses x Reader! ||
    102K 3.6K 39

    You kind of zoned out for a bit, trying to piece together what they said, when the door opened suddenly. You let out a small shriek as your head slipped and you hit the floor. That's when you saw them. And that's when they saw you ***** Welcome to my story! Warning, there's some cringy writing, especially the first fe...

  • {COMPLETED} Sans x Reader Oneshots
    347K 6.3K 36

    Well, I got requested to do this and I dedicate the first part to them! Basically this is just random scenarios with you and Sans! DISCLAIMER: I do not own Undertale or you. COMPLETED Cover made by @HoundsTooth

    Completed  
  • 𝐌𝐚𝐝 𝐇𝐚𝐭𝐭𝐞𝐫 𝘮𝘢𝘧𝘪𝘢𝘵𝘢𝘭𝘦!𝘴𝘢𝘯𝘴
    5.9K 210 22

    ‼️ 𝙎𝙡𝙤𝙬 𝘽𝙪𝙧𝙣 ‼️ "𝐘𝐨𝐮 𝐚𝐫𝐞 𝐦𝐚𝐝!" __________________________ ➸ 𝘐𝘯 𝘸𝘩𝘪𝘤𝘩 𝘵𝘩𝘦 𝘮𝘰𝘴𝘵 𝘸𝘢𝘯𝘵𝘦𝘥 𝘮𝘶𝘳𝘥𝘦𝘳𝘦𝘳 𝘧𝘦𝘭𝘭 𝘪𝘯 𝘭𝘰𝘷𝘦 𝘸𝘪𝘵𝘩 𝘵𝘩𝘦 𝘮𝘰𝘣𝘴𝘵𝘦𝘳'𝘴 𝘴𝘩𝘢𝘳𝘱 𝘴𝘩𝘰𝘰𝘵𝘦𝘳, 𝘚𝘢𝘯𝘴. __________________________ "𝐓𝐡𝐞𝐲 𝐝𝐨𝐧'𝐭 𝐜𝐚𝐥𝐥 𝐦𝐞 𝐌𝐚𝐝 𝐇𝐚𝐭𝐭𝐞𝐫 𝐟�...

    Mature
  • Dangerously Devoted
    461 28 4

    Mafia!Fell Sans x Fem!Reader Fanfic

  • Hearts aren't won with a headshot
    8.9K 328 6

    (mafiatale AU) monsters were freed from the underground and almost instantly, humans attacked, of course, they fought back. Your parents were killed in a shoot out, leaving you alone. You had to learn how to survive the streets. Though you never thought you would be captured by a skeleton. ((This will have multiple...

  • Just Strumming Along || {Reader x AU! Sans ((and some Papyrus's!)) }
    111K 3.4K 24

    When (Y/N)'s grandma passes away, she moves in her grandma's beach house in Oahu with her ukulele. But what happens when she plays that ukulele by the sea and a "portal" is created? What happens when VERY similar skeletons pop out of that portal? What happens when she is sent to other AU's? And what happens when sh...

  • Daughter of Death
    118K 6.9K 47

    Cover artist: punny-puntasy ! (TOLD IN YOU/YOUR) A reaper, a few gods, and a bunch of skeletons. The life of a reaper wasn't boring to her, everyday she would gather souls and lead them into eternal rest, and repeat. She watched creatures and Humans die, easily surpassing their lives and meeting once again in the un...

  • Mafiatale- Murdered [Completed]
    40.5K 870 15

    You the reader (Y/N), are an assassin. You were never big on joining a gang until a certain skeleton showed up. You are offered a spot in their mob, will you stay for the money or for the people?

    Completed  
  • Protester - A Swap!Papyrus x Reader
    5.2K 123 6

    The monsters are on the surface. Read, child.

  • Snowglobes ∆Gaster!Sans x Reader∆
    70.5K 2.9K 62

    Highest Rank: #290 in Fanfiction ××× "Its a mad, mad, world out there, girlie. And your kind just makes it madder." Everyone has a lock. Some people are lucky enough to find someone who holds the key. Opal's lock has been rusted and unused for years. But when a bipolar skeleton wipes away the dust and doesn't mind...

  • Games [Fell!Sans x Reader]
    3.1K 107 9

    Your fist clenched, unsure if you should punch the living daylight out of him, "Who said I was playing your game." "you don't have to say anything, you're automatically playing," He took a step back and walked past you with a lazy wink. "but at the end of every game, i always win. and you better believe it, sweetheart...

  • The Dealer Never Loses (Mafia!Sans X Reader)
    11.8K 491 9

    You were no assassin...or killer. You were a normal woman, just working life as you new it. It all happened because you were in the wrong place, at the wrong time, with the wrong stresses of life, and the wrong knowledge. They would use you, playing with threats that meant so much like it was simply a chess game. You...

  • Addicted (Mafia Sans x Reader)
    85.5K 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
  • A Trio of Misfits | Bittybones story
    312K 10.4K 31

    Bitty! US pap x reader x Bitty! US sans Our two little bitties have been through a lot, so what happens when they meet a human that's hurting just as much as they are? DISCLAIMER: I DO NOT OWN BITTY BONES or the lovely art

  • Bone of Contention (Underswap Papyrus X Reader)
    369K 14.6K 62

    Humanity is divided over one thing---the Monsters' reappearance. Some believe that they should stay aboveground, and others think that they should be sent back to where they came from. Then, there are those like you who don't quite know what to think yet. What will happen once you become acquainted with two skeleton b...

  • After The Sunrise: An Undertale Fanfiction
    31.5K 2K 29

    It was really hard for you to make friends, until Papyrus came along. No one laughed at your jokes, until Sans came in with his own puns. No one watched anime with you at midnight until you met Alphys. No one taught you to stand up for yourself, but when Undyne came along, you learned. You couldn't consider anyone as...

  • 🎶🍯a siren's voice as sweet as honey🍯🎶 (Underswap Papyrus x reader)
    7.7K 286 6

    You were lonely. You had what others consider a perfect life.You were a famous songwriter/singer at LunarCel and were called 'Siren Starvoice'.You lived in a mansion that could house at least ten people.And you had enough money to buy yourself an island. But you longed for love. True love,that is.Not the love for just...

  • You Are The Reason (Swap!Papyrus x Reader)
    8.4K 261 14

    "I'd climb every mountain, and swim every ocean. Just to be with you, and fix what I've broken. Cause I need you to see, that you are the reason." -Calum Scott, You Are The Reason. Mostly in Papyrus' POV, because, why not? Of course, don't worry, you'll have yours too. Contains; swearing and sexual themes.

  • My dream came true [ Underfell Sans X Reader ] || COMPLETED
    90.7K 2.2K 33

    Best ranks: #8 in fanfiction; #1 in undertale; #3 in sans; It was all a dream.....or so you thought.. Edgy: bish how dare u say that was a dreem, it was true af, fite me on dis! *lowvoice* and what im batta do is even more true. *inserts lenny face*

    Completed  
  • The Way of the Lost - (Underfell Sans x Reader) || Discontinued
    17K 360 31

    Discontinued - DM me if you would like to write a finish for the story. (This is my first story, hope you like it and bear with me!) Since it was Monday today, it wasn't very busy. Just a couple of people here and there. A slow day. For some reason, you have a TV mounted on the wall in the store that showed the L...

    Completed  
  • Dangerous Sin - Bara!Mafiafell! Sans x Theif!Reader
    6.2K 134 6

    A young girl going by the name of (Y/N) (L/N) has unfortunately caught the eye of a certain large skeleton...let the chaos begin! ☆More to come later!☆

  • Charm Of Lies (Uf sansxreader)
    7.7K 252 52

    Y/n is a smart and pretty girl & she lies and her charm fools people, but can she fool an edgy skeleton when he pops up into town with a few other monsters after the barrier is broken. (Cover art is not mine. It goes to the rightful owner )

  • Falling For You (Underfell Sans X Female Reader) 2017 [Undergoing maintenance]
    8.2K 264 15

    (Y/N) runs away from her abusive life in hopes to find some closure for her presumed dead friend. She finds herself at the top of Mt. Ebott and throws herself in. Little does she know her life wouldn't be the same. (Description and chapters will be updating through the days)

    Mature
  • Little Miss Informant (Mafia Sans x Reader)
    87K 4.5K 37

    PLEASE READ BEFORE GETTING INTO THE STORY. Monsters are finally above ground, on the surface where their Human friend Frisk led them. They wanted to see the stars, take in the world and break free from their prison... but unfortunately, integrating them into society didn't go as planned. When thrown into a word of dec...

    Mature
  • I'd Give My Soul to You: Underfell Sans FanFiction
    114K 386 14

    At one time, the Underground was a nice place. Despite some vengeful monsters, most were harmless, kind-hearted souls. ... When a human fell down into the Underground, everything changed. The royal family took him in and raised him as their own along with their only son, Asriel. When a fatal accident occurs, and both...

    Mature
  • Edgy Love (fell Sans x reader)
    56.9K 1.3K 46

    I'm skipping the ruins for starters, so you start out just as you exit the ruins. I plan on this being lemony pretty quick cause it's fell Sans come on. Story does develop... eventually. Plot structure and what not.

    Mature