Undertaleoc Stories

What if the six fallen humans who died before Frisk never died and instead joined Frisk on their journey through the Underground? It all seems good... aside from Frisk...

The Multiverse is vast, expanding continuously as more alternate dimensions are being created. Each world possesses it's own unique laws, stories and inhabitants. This w...

This is an undertale au WILL tap into underverse I made veris don't ruin him (please) I seriously had no idea for names for this book Before

This is a book of my Gacha Club OC's. Enjoy Gacha Club fans!

Cover art by: Shybug×17, Thank you so much love! Welcome to my book of one shots! These one shots will be for my boys, The Outcasts! If you're new, Welcome! The Outca...

The multiverse collapsed, Ink, Error, Dream and Nightmare are missing. A Chara travels to another multiverse in search for answers. ( I'm bad at descriptions) Cover dra...

This story takes place in the Neutral Pacifist path After Flowey finally got the six human souls and killed Frisk 999,999,999 times he ended her and claimed her soul an...

I decided that I would remake this and make it cute! paperjam is a sweet skeleton that owns a daycare with kids with different and chaotic personalities, who knows what...

After Chara is freed from the Void, reunited with her friend, Gaster, and gone through a Reset of time, she must now help guide young Frisk through the Underground, sho...

Hi there, if by any chance you've happened to stumble across this book, this is me, creating a storyline for my own au which I'll be mixing up with some other familiar o...

An AU of Undertale set in where Monsters have discovered how to split their soul, and conceal it, giving them a second chance at life, and have learned to embed their ow...

got bit by the undertale bug all over again after watching undertale yellow- time to get back in that ut phase- NO SMUT ALLOWED!

Dust, after realizing that he is trapped in an endless cycle, finally finds human souls, glitches reality, Error takes him as an apprentice and from that moment everythi...

What a normal day, I'm supposed to be reborn as my OC and all that, right..? Although it seems that F¿#3 messed with my codes. . Now Papyrus, my brother has to get dragg...

! WARNING ! Contains : Violence, Suicide attempts, Blood ------ Monsters race once lived peacefully on Earth with the Human race, but due to some circumstances, Humans d...

This is an Undertale AND Deltarune fanfic. To avoid confusion, it is set after Frisk saves the underground. All the monsters, including Frisk, move to the surface. Now e...

Yeah, I guess I'm doin a leviathantale thing now, even though it's past mermay :/ btw, I don't know anything about this AU, so I'm pretty much just making shit up. Sci a...

Character Descriptions. Gemsonas Undertale sonas Personas

What happens when the Fallen Child is not the one to take their life to pass the barrier? After the death of her brother, Chara, escaping her father's anger, finds herse...

How can you stop an idea?