Sanscest Stories

Error had presented himself as an omega, the lowest ranks of the system. He never knew why, but the things that he had to go through being one was odd. Especially during...

Dust [Dusttale Sans] kills so he can become stronger and defeat Chara. When everyone in his AU is dead. He finally faces Chara/Frisk. But instead of winning, he dies and...

Welp... just like it said... The cover picture belongs to hekiyoo (Create: 05/15/20) (Ended:??/??/??) --well depends on meh~

This is a book of fluffs and some might include lemons so you have beed warned

AKA THE BOOK WHERE EVERY SANS LIKES UNDERTALE SANS! :D Don't question my sanity, I just like this ship ._. THIS IS A CRACKFIC- (probably) Edit (5 July 2020): Y'all I mig...

Requests are CLOSED! Please read first page for all the info! (Not permanently) 🍋Lemon ☁Fluff 💀Angst

Title says it all! Request are open!

The Universe is vast. And if there is anything confusing that having two of yourself, it is having a vast plethora of others similar to yourself, that have the same name...

Just a bunch of Sanscest one-shots for you narcissistic self shippers.

Art is NOT mine, credit to owners! Smut will be done here. I will do most if not all ships requested!

this book was fanmade/inpired by @multi_ship_join all credits go to them (i dont know their pronouns TT) and yes i have full permission to use this idea.

This is an Undertale book Criminals have always littered the streets causing a mess and breaking the law. But what happens when criminals Fall in Love? This includes all...

Nightmare, go to school, they said. Nightmare, it will be FUN, they said. What a load of crap. Nightmare isn't buying any of it. His brother's loved and he is feared. W...

Dream suffered mentally after the apple incident,now he is has to keep the multiverse which has worsen him. After being kidnapped by the Nightmare gang,he doesn't believ...

Hiraeth(n.): 1. Homesickness for a home to which you cannot return, or for a home which may have never been. 2. An intense form of longing or nostalgia, wistfulness. 3...

Please for goodness heavens, don't comment if you're really young, I had to delete enough of cringy comments. Also please don't leave any suggestive comments, there's a...

(On hold, only Toby knows how long) A normal day...... that's what I thought..... I never new that I would have an experience like this..... *Hi guys! so this is an Unde...

Classic merely wanted for Fell to keep his promise. He wished that they'd always be there for each other. Fell constantly got into his own head, fearing the thought of c...

After the so event with Error, Killer has to go through his heat like the usual. But he doesnt want to go through the same things after hearing a few opinions from the o...

Cross has had it. There is only one place left for him to go and he just HAS to find it. Escaping an abusive father, he seeks the Circus. A spectacle of performers and a...