Nightkiller Stories

The bad sanses and the stars were fighting for many years.Now..it's the time to stop these useless battles and make a treaty for the two team. Both of the team...

killer is a new something of a sans he has always lived life on the edge but through everything he keeps a happy smile, people always knows him as that one guy but kille...

Killermare when they first had Crescent, was tough. THIS IS FOR MATURE AUDIANCES, this is also my first time writing smut so lets see how I go-

The Multiverse for a long time has been an endless loop. Both inside the AUs and in itself. Error and Ink making a truce then breaking it in any possible way. The Dreamt...

[Finished Book] Dream and Nightmare are best buds and brothers but life isn't as kind and fair as it seems. The positive twin always is praised from people while the sad...

Empireveres Nighkill/killermare Killer is not the most loved person,he himself doesn't love him so why would anyone love him That is what he asked himself every night b...

Some silly lil one shot about the one and only Killermare ship! Human au (only in certain chapter) Contains : violence (?) Strong language Lemon

There might be some angst or nsfw, and updates will be slow. However I guess there is some things that you'd need to know about this AU. I also post some of my arts at s...

Been gone for so long I forgot how to spell... Holy fuck anyway Nightmare and killer fuck, while dream and cross fuck. In the next room of course-

This is a story about a group of HUMAN homeless children call by "The bad Guys" get adopted by a woman and get a chance to be...normal. The group include: Nigh...

Hey everyone. This is my very first story so its gonna have a lot of cringe 😅. Please bear with me. This is a nightkiller ship fanfic .The story takes place in high sch...

This is a recreation of my first Nightmare X Killer story I made back in 2020. I will be changing quite a few aspects of the original story but I will keep the NightKill...

WARNING : this is a fanfic will trigger some readers : bad language,sm#t,r@pe. Please do not read this if any of this triggers u! U have been warned

Killer, a sans who's mind has gone completely, and with his "friend" destroyed an entire au, only to find out the backstabbing truth! And soon later finds a fu...

Cover art not mine, belongs to Heki aka miss60250 over on Twitter! I'm not too great at writing sexual stuff, but I can give it a shot! I'm mainly used to writing sexua...

Just a story that involves Killermare and maybe a few side ships. Art in cover is by my friend, she didn't want her name shared. Ships in the story: Nightkiller/Killerma...

Go away I don't remember this book Warning: this book contains self harm, abuse, sensitive topics, gore. And killer

Some cringe ass cream fanfic I might rewrite when I get out of writers block cheetos

The school decided to add a new system for the students, wanting to show more of the school's capability to the world. However, this new system isn't going to be the onl...

Since the beginning Nightmare had a strange attachment to Killer. One filled with unknown emotions and uncertain words. A kind but trapped soul and a lost but confused...