Corefrisk Stories

"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...

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...

You. Yes YOU! 🫵 You randomly wake up in a middle of a battle to notice that you are now in the guardian of positivity body! You can't remember who are you! What you are...

Nightmare had been alone in his head for the longest time. For 500 years he was able to gain more power, a castle, a gang, and a reputation of one of the most dangerous...

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...

Sequel to What Love Does to the Best of Us. It is highly recommend you read that before coming to this. Ink and Error are dead and, in their places, are Blueberry and C...

A young boy at the age of 16 had lived an ordinary life. He had a home with parents, he went to school and do his homework, he had friends that he had hung out with, he...

The story of a sans who is misunderstand and a frisk who has more to her then what others know

\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...

Error Sans x Core frisk x Ink sans The characters of the story and all images and videos are not mine. ONLY the story is mine All credits to the Rightful owner

(Y/N) (L/N) was just like any other normal girl(or human to be exact), with the exception that she wasn't really supposed to fall down Mt. Ebott. . . All she could reme...

Undertale multiverse before you ask. Error couldn't keep up anymore. It was to hard to combat creation. But fate spoke to him again. She was always kind to him. Healed a...

What happen when error loss to core frisk and Ink to much. His began his killing of au

Alphys always knew there was something else out there. This couldn't be it. She studied all of the sciences she could, and came to one conclusion: The multiverse had to...

Yin & Yang. Error & Ink. A fight between The Destroyer and The Protector, ended after centuries of conflict. The Multiverse has been erased... There is nothing left...

ask or dare the undertale crew and their kids! The ship is.... Asriel x Chara Sans x Frisk Asgore x Toriel Undyne x alphys Papyrus x Mettaton Swaps au Papyrus x Chara ...

Core frisk has noticed that there was something wrong with a couple of aus and decided to check it out. Turns out some sanses have severe depression and disorders. Core...

I have felt the pain of Betrayal when my original Creator abandoned me. Then again when my first friend Error seemed to have left me. I hid behind a persona of who I onc...

Core and Error are opposites in almost any way possible, though somehow Core finds a way to become friends with Error. Meanwhile Error, who's just adjusting to having a...

met haven someone who has the memories of two different lifes that have both come together after death and all they want is a happily ever after but when your in a fgod...