Nightmaresans Stories

Nightmare had been so kind. He'd said all the right things and done everything perfectly to gain Dream's trust. When had the proposition turned from the possibility of...

Basically Nightmare gets turned into a vampire and his life becomes a mess. _____ This will mostly be oneshots stories of important events from my vampire AU. They will...

ink has killed the bad sanses and swap and created an army of minions for himself. but deep in the shadows the consequences of his actions are awaiting him.◉⁠‿⁠◉

Hello! In honor of Underverse 0.8 part 1 coming out and Jakei's year and a half hiatus, I am going to (try to) do this thing I will be calling "Weekly Underverse&qu...

(I'm bad at writing descriptions) INK was just minding his own business and admiring nature but then he gets a call from blue ERROR was staring into the sky, wandering...

Killer had become one of Nightmare's lackeys, but he is the only one to pledge his true loyalty to his boss. He falls in love with him, although this will lead them down...

Within his own Un-Void, Error wondered about the implications of Papyrus absorbing the knowledge of the cosmos, and controlling everything. None of the present people co...

,, He hates her. '' ,, No he doesn't, not really. She just makes him feel things that he claimed don't exist. '' Being a devoted Conservator for the museum your father h...

hi! this is a sans au x reader (including some oc's that won't be shipped with the sanses, take note that this won't make you the sanses gf, or anything, just a close fr...

The bad sanses and star sanses decide to have a truce, though someone decided to try to assassinate everyone, even their friends just because they didn't like the truce...

The title is very true Ink, error, nightmare, killer, dust, and blue was invited by dream to explore an abandoned mall with him and they said yes. The mall was dangerous...

The story follows the lives of two siblings, Lux and Palette, whose destiny's are tangled in a world where the sins of the past cast long shadows. Lux, the 'forced anta...

(cover art by amazing artist @mothiepixie go check her out!) born and raised in the border between two kingdoms all alone in solitude, you walk then ran as you were capt...

As 45v explores the multiverse what happens when code becomes unstable...? This is an interesting story? About a sans called 45v or dev

long batte between creating and destroying error and ink battles while both team are Injured. Ink had someone power enough to beat Error in battles. But he didn't know...

Hey there. It's Killer here. I realized that everyone depicts our story differently. So I'm here to give the true story.

Just some Undertale and AUs x reader for funsies <3 Happy 2025!!

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...

Monsters and humans come together. After frisk the human with the power of DETERMINATION frees the monsters from the underground. But what happens when certain humans co...

!! STORY COVER IS MINE, CHARACTERS DO NOT BELONG TO ME EXCEPT Y/N !! (ps, I forgot the book I got inspired in doing this.) (Book is currently undergoing slow updates😵‍�...