Undertaleau Stories

Hundreds of years ago, monsters and humans both lived on the surface. The relationship was unstable, and it was no surprise when war broke out between the races. Monster...

*INSPIRED BY "Your Friendly Witch" ON AO3* ~ALSO POSTED ON QUOTEV~ You are the daughter of Cupid, which means you must go to the mortal realm to help humans fi...

Undertale aus x reader Featuring (in order): Nightmare Error Dream Ink Cross Dust Killer Blue Horror The Soulmate Au is where everyone that comes or lives there will hav...

So, I decided to make an art book and redo some old art digitally. Hope you enjoy! I might shitpost from time to time as well, just cuz I'm bored and inspiration won't l...

(mostly it sans and papyrus!) (i updated the name to Undertale AU x reader before it was sans AU x child!reader/mother!reader) this is also my first one shot, I apologiz...

reader is transported into an old au they made when they were younger read as they go through there daily life in a new form and dealing with new but familiar faces p.s...

＊ PERSEVERANCE. This was the only feeling the human clung to when he fell into the Underground. To push on, despite the circumstances and choices in his path. How is un...

(Y/N) (L/N) moved halfway across to country. She's a sweet human who grew up with Horrorswap Sans. She got skittish around 6 months ago. How will she adjust to her new t...

Taking requests, basically always. Just know I am absolutely horrible at finishing them. Includes fandoms I'm in such as: Hollow Knight OMORI The Owl House Cookie Run A...

A undertale au fanfic where the player (you) falls in love with not only sans but frisk and chara too! also in this fanfic chara is a he/they and frisk is a they/√=|] s...

͡ ͡ ͡ ͡ ͡ ͡ ͡ ⌗ creators note 彡 : "𝘵𝘩𝘪𝘴 𝘢𝘶 𝘢𝘳𝘦 𝘮𝘢𝘥𝘦 𝘧𝘰𝘳 𝘧𝘶𝘯 𝘧𝘳𝘰𝘮 𝘵𝘩𝘦 𝘣𝘰𝘳𝘦𝘥𝘰𝘮 𝘧𝘳𝘰𝘮 𝘵𝘩𝘦 𝘤𝘳𝘦𝘢𝘵𝘰𝘳"...

She didn't really expected this, just a few seconds ago she was protecting her kids and now she's staring at a bunch of skeletons and a human with two of them looking a...

Basically, a roleplay with a friend I created. (UNFINISHED)

after a tough battle between the star sanses , the bad sanses were resting in their living room when all of a sudden a portal opened, causing them to jump up ready for b...

idk just a story from C.ai but some few twists and turns (I HAD HELP FROM 2 FRIENDS WITH SOME PARTS CREDIT TO EM >:3 )

A enemies to lovers errorxink classic. I will add side ships, but right now they are still being considered. If you want to suggest your ship, just comment what ship in...

Voici un recueil de toutes mes créations pour mes futures histoires, ainsi que des infos. Vous retrouverez ici les fiches personnage de Bad Girls, et tout autre personna...

The world can't get any worse for Sans after the player left the monsterkind to pay for their own action's consequences. But if given the chance to turn his world a cer...

здесь будут фф с Т/И

Imagine a world where the player doesn't exist. And that is the exact representation of this AU. No genocide, no eighth human, no player. All the monsters including the...