Killersans Stories

The reader has died and has been reborn as a killer sans but pregnant He has to learn how to use his powers and learn about himself first ------------------------------ ...

What if the corruption that invaded Nightmare's mind after eating the apples disappeared? When he woke up after a long sleep Nightmare found himself in a place he didn't...

#1 of 61.7k tagged with Undertale 12/06/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling int...

So, I've been seeing a lot of reincarnated as nightmare or nightmare's parasite but they were all good even if they didn't care about killing someone if it could save so...

A weird UnderFell sans ends up hosting Fresh, Error, and many others. And by "a weird UnderFell sans" I mean a dumbass that got thrown into a fell sanses body...

Whose dream isn't it to end up in one of their favorite games or series? When you know so much about it, how much can go wrong? A lot, apparently. [Aside from my Ocs, I...

The Guardian of Negativity, sometimes called the King thereof. He's one of the coldest, meanest beings in the multiverse. So..why does he suddenly have small footsteps s...

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...

Nightmare has died while eating the apple of negativity, and now, Julie as woken up as a female goopy skeleton. Suddenly, Dream attacks! Now known as Moon, she has a mi...

It wasn't as if he didn't care for them. He did. That's why he did it, after all. He couldn't watch them suffer, so he did something about it. Dust Sans story with Nigh...

A young woman, left alone after her family sadly passed in a car accident, suffers with PTSD and Anthropophobia (Fear of people.) Her only happiness in this world is the...

Y/N was a human from a brand new AU...which was practically nothing. They were eventually rescued by the Star Sanses...only to be taken prisoner by the Bad Sanses. What...

"ᴇᴠᴇɴ ᴛʜᴏᴜɢʜ ʏᴏᴜ ᴍᴀʏ ʙᴇ ᴇᴠɪʟ...ɪ ᴄᴀɴ ꜱᴛɪʟʟ ꜱᴇɴꜱᴇ ɢᴏᴏᴅ ɪɴ ʏᴏᴜ" "ʜᴏᴡ? ᴡᴇ'ᴠᴇ ᴅᴏɴᴇ ɴᴏᴛʜɪɴɢ ʙᴜᴛ ᴋɪʟʟ, ᴛᴏʀᴛᴜʀᴇ ᴀɴᴅ ᴀʙᴅᴜᴄᴛ. ʏᴏᴜ ᴄᴀɴ'ᴛ ᴘᴏꜱꜱɪʙʟʏ ꜱᴇᴇ ᴀɴʏᴛʜɪɴɢ ɢᴏᴏᴅ...

No one knew that Nightmare had a brother. For five hundred years, he wreaked havoc. Until the stone in his basement began to crack. Dream Sans story. I do not own any of...

💜Includes💜 ------------------- -BDSM -Threesomes/Orgys -Tentacles -Knife play -Pain kinks -Degrading/Prase -Cross's existence -Error's existence

adopted story. original by @Mijunaa :3 - The afterlife of a dead human that reincarnated into a Killer!Sans variant. The facade of the new owner of the body, could he k...

"Hm?" Timer asks taking his wrist watch off, checking the time before taking out a screwdriver and pulling it apart. Nervous habit of his. The meeting between...

Sans had SIX different Soulmate tattoos. Not one, not two, SIX. So what happens when he finds them? Er, well, they find him. And let's just say... They're not the kinde...

After finding his twin brother in an unfortunate situation one fateful evening, Nightmare had sworn to take care of his brother; offering him a helping hand. (The cover...

A Killer x Nightmare story. Completed✔️ Rewriting. After killing everyone within his timeline, a mysterious figure appears in his house, permanently changing his life...