Corefrisk Stories

what if, Error was actually just a tall 14 year old? what if errors soul was slowly and painfully deteriorating? what if he doesn't destroy because he can or because he...

Dream was replaced by a new young Guardian. Well that's his cue for his retirement but... Oh well, not everyone let him retire and do whatever he wanted to do. Even af...

The beginning of the end. Or the end of the beginning? An epic story on the scale of the entire multiverse! The backstory to that very same story from Shorts.

The multiverse decided, "Ayo, Imma need to make a whole other living thing to handle this Balance shit yo." Though there are restrictions, your boi is out in t...

After the Christmas party, Geno thought he'd never get to see Death anymore. Boy was he wrong! After a couple of chilling moments and heartfelt scenes, something happens...

First book sry for mistakes. Nothings been the same since the death blast. That what they started calling the "incident". Somewon pressed a button and nuclear...

From the beginning of time, every little thing had a story. You, your family, friends, your pets, plants.. even the most inanimate of objects. They all have a story. But...

Witness the life of Error404 with Core Frisk and their friends as they go on a lifelong adventure to a happy life.

This is my first story I've posted, so no hate, please. Also, even though the title says storyshift... It's not going to seem like that for the first part of the story...

Error was want to do someting very cruel and horible again. So he went to UnderSwap to take Bluberry sans as a hostage. But after some time. He start to feel sometink to...

Today is a big day, "why?" You might ask, well today the biggest threat to the multiverse, to the creator the the multiverse, has been caught, Error, the destr...

A collection of fluff and angst! Fandom: Undertale (UTMV) The prompts are from @fictober-event over on tumblr. Cover art does not belong to me! It will be taken down if...

This fanfic will have SansxReader, CharaxFrisk, and SansxFrisk. There will also be those original love, like AlphysxUndyne. You ask how Sans would like Frisk while likin...

\this one was actually inspired by AqilahDawinterWolf Yan au 1 shots / (Though sadly I do not have motivation to continue this. I do apologize as I'm focusing on my ar...

After the events of I'm Too Tired To Sleep (ITTS), things were... If not happy, then at least calm across the multiverse. Unfortunately, the Creators were looking for s...

Everyone in the Doodlesphere knows of the Star Sanses. Ink, Blue, and Dream. The heroes, the guardians, the saviors. Who would have thought they would fall? Nobody. Unti...

"Error, what did you do?" Ink didn't expect there to be AUs beyond the Doodle Sphere. Core Frisk never would have thought that there are things they can never...

frans one shots Request are open

Core!Frisk had finally captured Error's heart, something she had been attempting to do for the last few months. Error, despite seeming to be capable of being nothing mo...

Discover the new (and improved) Tales of Infinity with a fresh Error Sans re-take never seen before. This re-take directly takes the askerrorsans comics and replaces Err...