Long Lost

An endless cycle of positivity and negativity that clashes within the Multiverse, ignorant of the AU they once called home... Ignorant of the little sister they'd forgotten was family.

Summoned (Nightmare!Sans x Reader)

(Y/N) didn't want to be friend the popular kids. Nor had she ever dreamed that she would have a sleepover with them. But boy is she wrong when she is forced to go with the popular girls for a one night sleepover. But what (Y/N) doesn't know. Is that her life will change in that very night. "Well well well, look what...

You and Your Bitty Pals

It has been 10 years since the monster broke free from the barrier, and since then monsters and humans live together in peace. But for some reason, monsters have somehow got a mini version of themselves, no one knows how or why it just happened. And for some reason, the skeleton bittys are popular because of their man...

An Error's Doll

You didn't have a bucket list or anything, but you wished you could've at least read a few more fanfics or done literally anything fun before dying. Oh well, at least you didn't have to socialize- Wait. Since when did dying mean becoming a doll in an Undertale multiverse? How did this happen?? This was inspired by a t...

Giant!AU!Sans x MythicalCreature!Reader Oneshots

Basically the reader is either a Bitty, baby, young child, borrower, or Sans is super big. The reader is almost always some type of mythical creature, from different cultures. Ex: Kitsune- Japanese, Cerberus- Mainly Greek, and etc. REQUESTS ARE CURRENTLY CLOSED (All images used do not belong to me unless stated other...

Sans Au x Bitty!reader Scenarios

(COMPLETED!!(with here and there new chapters) but mostly COMPLETED!!) i was makeing sans bitty x reader befor this and got bored so i made this instead please enjoy :) Classic Fell Swap Horror Nightmare Ink Error

➳ | 𝑾𝒉𝒐 𝑾𝒆 𝑯𝒐𝒍𝒅 𝑫𝒆𝒂𝒓 [Villain S. x Reader] | ⤵

[DESCRIPTION COULDN'T FIT HERE, SEE THE "DESCRIPTION" CHAPTER TO KNOW WHAT YOU'RE DEALING WITH WHILE READING! !!TWs!! INCLUDE IMPLIED SUICIDE, ABUSE, ALCOHOLIC SHIT, AND RUNNING AWAY NO USE OF "(Y/N)" IN THE NEW REWRITTEN CHAPTERS, THIS BOOK IS UNDER HEAVY EDITING!! READER IS GENDER-NEUTRAL!!]

A Special Blueberry {Bad Sanses X Blue!Reader} (Slow Updates)

(The Bad Sanses act more or less like a group of misjudged people trying to help balance out their multiverse in this book :3) *no description available yet*

I'm reborn as geno but...

I died. how? well some crazy guy broke into my apartment and killed me. Now I'm reborn as a copy of the original geno except something is different... why do I have wings and red tear marks?

Reborn As Error's Mom

Well to start off, I'm just a teenager and I died in my sleep and was reborn as a skeleton, who is supposed to be error sans mom?...*stares at the cute bundle of cuteness in my arms* I'm definitely protecting you with my life.

Au Sanses x Mother Reader Oneshots (Requests Closed)

Thanks for the votes and comments, love yous! ♡ The reader is the mother/mother figure to a specific Sans AU. This is not romantic nor is it a kink. Most of these oneshots were requested by readers and is not taking requests anymore as of 2021. Thank you for reading! ^o^ #1 in #smallstories (Sept 23/22) #1 in #shipchi...

Black Roses (Overprotective!Bad Guy Sans' x Child!Reader)

Nightmare found a young child a long time ago. When they fell into a coma it sent him over the edge. several hundred years later the child wakes up in a castle of darkness, surrounded by people, er... skeletons, that they don't know. Now they are being raised by murderers, cannibals, and world destroyers. Oh yeah! And...

Error is ink in another multiverse

What if..in another multiverse...error became ink in the past after falling into the void? What if error aka ink names himself a different name? At least officially but is still error and can still access codes. What if error aka ink meets the others from another multiverse and tells them about the balance? (Differe...

A Loving Shiver (Reborn as LeviathanTale Cross)

The story begins with a 18 year old trans boy who gets abused & tortured and bullied at home & school because he is trans & gay and he was a undertale fan & he was also curious about sea life and the ocean but one day his parents took it to far and the boy died. Ps if you're a minor don't read this story you can read...

The King's Queen (Nightmare Sans x Reader)

PLEASE READ BEFORE GETTING INTO THE STORY Description: Your name is (Y/n) and you are originally from an au called Dreamtale! Your life hadn't been the easiest however, but you were quick to always move forward despite this... Before Nightmare had become corrupted, you were his best friend and lover. You kept him fro...

Becoming ink sans from undertale multiverse!?

What if someone from our world died knowing a lot from the undertale and their multiverse/underverse? What if that person also knew about the balance and didn't creat too many aus? Also they dont like creating sad au's like flowerfell or places they end up like dusttale or Horrortale. Yes they did make au's and may ha...

Becoming dream from dreamtale

What if someone from our world became dream on the first day they were made and were determined to not lose their brother to corruption like the original dream did in the story/game/movie? Even if they had to hurt the villagers to keep them away from nightmare they will. They will also protect nightmare, their brother...

Reincarnated as a Voice

TW: Swearing and slight gore Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other people? Only time will tell. Hello, this is going to be my first book and idk if it's going to be good so meh :v This story was inspired by transported a...

Y/N the Creator (Alphatale Fanfic)

An Undertale fan gets reincarnated into the Alphatale Multiverse. Will they use the knowledge gathered from their first life to their advantage? Or will they perish, fighting against the Gods of Alphatale? The writing in the first chapters is pretty bad, but it gets better. Reader x SS!Chara in the later chapters. Thi...

Into The Underverse

Y/N wasn't anyone special. With 21 years under her belt, she went through life like anyone else. Until she was picked out from the rest. Read your way through the Underverse as Y/N gets into the worst of situations. Can she herself survive whilst also keeping those she deems her friends safe?