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  • When Two Fates Intertwine (Sans x Reader)
    90K 2.5K 12

    [THIS IS A SEQUEL TO MY OTHER FANFIC "WHEN TWO SOULS MEET!" If you haven't read it, I would highly suggest it--the story won't make much sense otherwise.] Sans has finally found someone he can trust--Frisk's sister, the eighth fallen human. After months of step-siding and awkward interactions, the two are finally a co...

    Mature
  • Your Fault ~ Underfell Fanfiction
    49.4K 1.3K 22

    {COMPLETED} Sans' life isn't easy, and living in an Underground society filled with torture, rape, and murder doesn't make it any better. Every single day is a struggle, and Sans tries so hard to fit in with other monsters and live up to his brother's standards, but sometimes it's just too much. Will Sans be able to p...

    Completed   Mature
  • Corrupted Timeline: UF!Sans X Reader
    96.5K 3.5K 31

    While hiking with your family at Mt.Ebott, you end up falling down a hole in another world where you encounter monsters who want to kill you. Will you be able to change their hearts and bring back hope? Or will you be killed trying?

    Completed   Mature
  • Mafiatale Sans x female reader (Possession)
    79.4K 2.2K 36

    Over thousands of years the Underground's hopes of becoming free had slowly disappeared and have gone to alternative motives: Money, sex and power. A human soul these days has become almost priceless with very notorious gang members and it just so happens their luck has just rolled in. Not only a human has strolled in...

    Completed  
  • A "Human" That Likes A Skeleton
    241K 9K 83

    Began on: August 24, 2016 Completed on: August 24, 2021 The Underground Barrier has been broken for three years, and you're a girl with a secret, one day you're walking back home to your apartment after a grocery trip, when you bump into someone, little do you know that someone had a role to play in your near future...

    Completed  
  • You're Ours! (Sans AUs X Reader)
    231K 4.3K 62

    Sans X reader! Of course every sans is there but you need to wait for them! Enjoy!

    Completed  
  • Justice (Ink!Sans x Reader) [COMPLETED]
    26.9K 951 19

    Heya! This book will be a bit of a slow burn, which means that all the ~romance stuff~ won't happen until a little later in the story. ~~~ Twenty year old (Y/N) has sworn her undying loyalty to none other than Nightmare, one of the most feared villains in the multiverse. She's been working with him for years, since sh...

    Completed  
  • Undertale/au x reader 3
    253K 4.6K 51

    (New updated cover) Welp, since you all loved the first two books so much, I wanted to make another. NO LEMONS! ONLY FLUFF! Mostly female reader sorry guys. Mostly be sans aus or papyrus au, if you're a skele sinner here you go. I'm planning on having this book have about 50 parts.

    Completed  
  • Not all Nightmares are bad (Nightmare Sans X reader)
    269K 6.8K 72

    (EDIT: STORY IS BEING REWRITTEN! PLEASE CONSIDER REREADING THE REWRITTEN CHAPTERS [chpts. 1-31] ON MY PG!) You are a young teenager girl. You have a happy normal life........kinda. You're best friends with the angel of monsters, Frisk. One day you follow her and sans to strange place on accident.You see lots of hers a...

    Completed  
  • Sans and reader oneshots
    1.1M 19.9K 138

    Just some oneshots that I write when I'm bored or if I want to. If you have an idea that you want me to make into a chapter then let me know by commenting or by writing on my home page on wattpad.

    Completed  
  • UnderTale Oneshots (FINISHED)
    2.4M 48.4K 204

    (I DO NOT WRITE ABOUT UNDERTALE ANYMORE SO PLEASE DON'T REQUEST ON MY CHAPTERS) (AND FOR THE LOVE OF GOD STOP COMMENTING ABOUT MY GRAMMAR, I AM SWEDISH AND I HAD A HARD TIME LEARNING THE ENGLISH GRAMMAR. I'M MUCH BETTER AT ENGLISH NOW) This is my oneshots of UnderTale. It invloes AU'S to! Background picture by Casper...

    Completed  
  • Bloody Desires; Horrortale!Sans X Reader
    364K 11.4K 66

    It's been a few months since the last neutral run and things have taken turns for the worst. No one is happy, Everyone is starving. An you are the perfect prey, falling into the deadliest trap known to the underground. He knows something and your determined to find out. Will you loose your head?

  • A Little Bonely (Sans X Reader)
    343K 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...

  • Ms. Teach (Sans x Reader)
    12.7K 382 74

    Y/n is a music teacher, known for making music, and/or covering music and songs. Now, your working days at school are over, and decided to take a trip with your friends to a famous mountain, namely Mt. Ebott. That night, while everyone is sleeping, excluding you, you found a girl taking a walk on the mountain. Traili...

    Completed  
  • Undertale Boiz x Reader
    439K 10.8K 203

    Guess who's back into another fandom yet again? That's right! Evangeline Hisahoshi! Hello everyone and this is my newest book of one Shots because the undertale has finally found me. Requests are always open and this fandom is an unique case ecspecially when it comes to the fact that there are many AU sans and papyru...

  • AU Sans X Reader One-shots
    535K 11.7K 130

    Completely female readers unless a request asks different. That's...really about it, enjoy!

  • Stuck in Between (Reaper!Sans X Reader)
    122K 4.8K 20

    When your heart stops, you're supposed to stop there. But when your heart stops in the Underground, your soul resets. But what if the reset doesn't work. You're stuck in a stalemate between life and death after your attempted reset glitches. Memories fuzzy and distant, lonely and cold, what does one do to survive thei...

    Completed  
  • Her (Sans X reader)
    147K 4.6K 58

    It's kind of a Sans x reader. I named the character. Oops. Welp, here we go! This has potential I promise. Just give it a chance. Please.

    Completed  
  • The 6th Soul | Sans x Reader
    179K 6.7K 27

    "Do you think even the worst person can change, that everyone can be a good person, only if they just try?" -- If you want to read a good book, go on my account and read chat logs. This one is shitty -- Justice. That's the trait of you, (Y/N). The 6th soul fell into the underground. She wasn't alone though, she had...

    Completed  
  • Sans x Reader One-Shot Booklet
    101K 2.2K 18

    This is just a collection of Undertale-themed one-shots that go along with the plot of my Sans x Reader fanfic, "When Two Souls Meet." It's a community project, and will have several entries from the winners of my one-shot contest, as well as some chapters written by yours truly. This can be read as a stand-alone grou...

    Completed  
  • Flower you today, sweetheart? (Flowerfell Sans X Reader)
    207K 5.6K 40

    All the world, just hated kind people... they threated them as nothing and put them aside. That even happened in the underworld... They saw them as a sickness, what they don't know is that sicknesses spread... (Cover made by me :3)

    Completed  
  • At the Surface (Sans X Reader)
    502K 20.5K 62

    The monsters have finally made it to the surface and have been legalized to roam the surface as they please. The first couple of months have been spent as a paradise where humans and monsters have lived in peace and happiness. But as we all know, humans tend to be afraid of what they don't understand and the appearanc...

    Completed  
  • AU Sans x Reader oneshots 2(Requests closed) •~complete~•
    899K 15K 183

    I couldn't just leave you guys there! Enjoy the book! Feel free to request

    Completed  
  • Forget Me Not (Dt Sans X Reader)
    29.2K 752 23

    It wasn't your fault you were in this situation. It just happened at random chance, now you were stuck in a loop. A endless repetitive loop of death and obsessive love. He wanted to keep you forever, and if it meant becoming a monster worse than anything, he'd be okay with it. After all, he LOVED you~ Heyyyyy Someth...

    Completed  
  • Sans x Reader | Empire
    381K 11.8K 46

    (Adult Lazarus here - I wrote this when I was like 14 years old. Forgive me.) Sometimes life gets to the point where you feel like you're a paper airplane. One minute you're soaring, feeling as if nothing could ever get you down. But then the next thing you know, you're falling slowly and nothing that you can do can p...

    Completed  
  • Undertale AU Sibling Oneshots
    306K 7.8K 158

    Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty. They're your siblings now! Cute, edgy, as much angst as you want, sad-whatever! Requests are closed as I'm no longer writing for this book. Some milestones: #1 in Sans #1 in Kris

    Completed  
  • Bruised To The Bone: (Sans x Reader)
    118K 3.8K 52

    (Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidentally hurts someone, and they bring her almost to the point of death, trapping her in her room. After the incident, time has begun to reset. Two months p...

    Completed  
  • What We Hope For (Sans X Reader) ✨UNDER EDITING✨
    126K 4K 62

    Everyone has a happy ending. If you're not happy it's not the end . . . . •°•°☆°•°• Y/n (that being you) fell into the underground at the age of 13 and found refuge inside a hidden house in the snowy forest. Fast forward 10 years later still no one knew of her existence. That all...

    Completed  
  • Divided [ Sans X Reader ]
    362K 14.9K 56

    Almost four years marking the anniversary of monster kind reaching the surface, the human ambassador Frisk goes missing. Severing the link between the two species, an all out war breaks between humans and monsters. After bloodshed on both sides, monsters emerge victorious. Yet somehow a miraculous town in San Francisc...

    Completed