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  • LOVE Madness (DT!Sans x Reader)
    48.9K 1.6K 13

    Deep underground, a child is on their way to a genocide route. Sans comes to a conclusion where he needs more LOVE in order to defeat Chara. He becomes corrupted and slaughters every monster in the Underground. How will you save him now? (This art belongs to it's rightful owner)

    Completed   Mature
  • Error 578 (Error!Sans x Reader)
    120K 3.6K 40

    account inactive. you can find me on @Mini_Crushies

  • No One can have you but ME (Yandere Underswap!sans x reader)
    68K 1K 14

    Not every one is what they seem. to learn this after falling into mount ebot and meeting papyrus and his brother, sans. or as you call him blueberry. you become friends with blueberry and hang with him often. but little did you know that blueberry wanted more then your friend ship...

  • Nerd and Jock Au Sans X Magic!waiter!Assasin!reader.
    75.6K 1.1K 16

    This Au is made by BlogtheRouge (so dont blame me if they are adorable) Your name was hope (sorry bcuz Im tired of writing Y/N) and you were 18 years old you were bullied a long time ago when the kids in your school found out you have magic and called you a freak. Fed up from all the kids from the school you moved and...

  • High School Love (Naj!au x Neko! Reader)
    175K 3.7K 56

    Y/n is a 16 year old neko and has a huskie. She can be shy at times, but can be outgoing and friendly. Just never get her angry. She was abounded by her mother from an accident. Y/n is going to a new school, and little does she know this is a new adventure. Art do NOT belong to me. It all belongs to their rightful own...

  • A Different Path III NaJ!Fresh X Reader III
    16K 489 5

    (Y/N) (L/N) seemed like any other classmate. What happens when love starts to pull her apart and all without mercy.

  • Dust Off Your Hands III NaJ!Dusttale!Sans X Reader III
    40.5K 1.4K 6

    (Y/N) always hated bullies. After all, lost her brother to them. When she saves a skeleton with split personalities, what will happen? When he shows that shy and nerdy side, but what will happen when he gets crazed? Who's to know?! NaJ!Dust: Kitmast (tumblr) NaJ!AU: blogthegreatrouge Cover: Kitmast

  • The Librarian (Goth x Reader)
    127K 3.6K 26

    Living with an abusive father who hates monsters was tough but you were able to get by. Now you are starting a new school year at UnderHigh. What could possibly go wrong. (This is my first story so sorry if it's terrible) (I don't own any art) (No lemon) (Discontinued)

  • Jealous Lines III NaJ! Paperjam X reader III
    175K 5K 36

    (Y/N) (L/N) was always one to take up a challenge. Her confidence and friendly demeanor landed her in the popular side. Not to mention she hangs with jocks and nerds. Anyone who wanted to be her friend, would become one. Her dad was a great athlete and her mother was a police officer. Although both are dead, they taug...

    Completed  
  • underverse high school x reader
    52.1K 847 14

    have you ever wondered what it would be like if all the differen't sans came to your school and you had to show them around

  • Underdeath - Sans X Reader
    229 8 8

    There was a legend about Mt. Ebott. That whoever climbed it disappeared forever. You knew about the legend, and wanted to debunk it. Or at least figure it out. So one day, you packed your bags. And set off on your journey to the mountain. And what you found in the mountain. Changed your life, forever. Q. What's Underd...

  • Death sans x Reader
    119 0 5

    HOPE YOU GUYS ENJOY! :3

    Mature
  • I'm not alone... (Underfell Sans X Reader)
    21.3K 540 6

    You fall down into the Underground, thinking your life was helpless. Now....you realize your life is helpless without him....

  • depressed!ink x depressed!reader
    34.7K 1.1K 14

    BOOK FINISHED: 1/1/18 issa dumb old book i finished but read it if you want,,, but this book isn't that magical.

    Completed  
  • Hell's Branch (Sans x Hybrid!Reader) DISCONTINUED
    14.3K 276 12

    THIS STORY IS BEING CONTINUED ON @iliketrainskid86 ACCOUNT "You put on a fake smile to hide your pain. And you wish that someone would realize how broken you really are." Thousands of years ago humans and monsters ruled over earth. A war broke through and all the monsters were trapped Underground. Except for one (Mi...

    Completed  
  • Not A Test Subject (Science Sans X Reader)
    55.1K 1.2K 6

    You were a human who lived on the surface with an insane father who used living beings as lab rats and guinea pigs for his research he even used you. He tried creating your mother into a powerful being but the process failed and it took her life away, from then on he became insane. You decide that you should just end...

    Completed  
  • UnderMafia Sans X Reader
    118K 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
  • When The Underground Wipes Out (Yandere! Reader x Sans)
    471 13 6

    *By Sophie* Idk XD I'll update when I get the chance or when I'm bored Xb • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • You are a gamer-girl who has a slight obsession with a certain video game skeleton. You have watched people play it. You've played it. And then found a way to open a portal t...

  • (NSFW) Undertale One Shots
    123K 1.2K 5

    NSFW one shots for Undertale. I take requests :P

    Mature
  • Memories (Sans X Female Reader) [DISCONTINUED]
    9.3K 419 50

    You ran away from home. Your mother had died, leaving you with your father, who was an abusive alcoholic. He would blame all his problems on you. It was even worse when he was drunk. One day he was passed out on the couch and you took your chance. You grabbed your things- a few clothes, some food, and the little amoun...

    Completed  
  • Royalty {Undermafia! Sans X Reader}
    48.6K 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.

  • 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...

  • Protection from the 90's (Fresh Sans x Reader)
    49.9K 1.1K 17

    Fresh becomes in love with a human and very protective

  • 【Angel of Blood】Underfell!Sans X Reader
    211K 6.1K 51

    Description: Once a long time ago, the multiverses were doing what they would normally do and were getting along just fine. Suddenly, it changed. Y/N L/N fell along with their parents into the Underground. In this world, it's LOVE or love.

    Completed  
  • Bringing back the light - [Horror!Sans x reader]
    24.9K 552 18

    You awoke to walk outside and find a massive hole up mount ebbot, the mountain only you and a couple other residents live on. Taking a peak inside, you realise that you need to fix the corrupted community, can you do it? Or will you succumb to the same state of gruesome minds as them?

  • -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  
  • Sketches V.S Glitches (Ink Sans x Reader x Error Sans)
    84.5K 1.9K 8

    Decided to make this little story x3 This story will have a 2 path ending. 1. Ink Sans path 2. Error Sans Path You get to decide who you want :3 Enjoy~ ♡♡♡

    Completed  
  • Handplate {Sans x Reader x Papyrus}
    2.8K 49 2

    [READ DESCRIPTION] This is far from drabble, but it's not an entire fanfiction either. It's something like a one-shot. Anyway, this is loosely based on the Handplates AU, except monsters are on the surface and W.D. Gaster is working on something nasty. He's taken in monsters and humans down to his lab, built right un...

    Completed