Killerxouter Stories

27 Stories

Target Settled|Outer!Sans x Killer!Sans by LaliaShy
#1
Target Settled|Outer!Sans x Killer...by LaliaAngel
|UNDER EDITING| Killer was loyal to stay within Nightmare's team, little to no emotion with no worries, until he stumbled across a beautiful alternate Universe. Upon mee...
Sanscest One-shots (no lemons) (Requests Closed) by LtHunter
#2
Sanscest One-shots (no lemons) (Re...by Lieutenant Hunter
(This book is completed, if you want more stuff there's a second one) just some one-shots of Undertale AU ships. I do not own any of these characters (unless state other...
Completed
The Eclipse Rebirth|Target Settled Sequel| by LaliaShy
#3
The Eclipse Rebirth|Target Settled...by LaliaAngel
With Nightmare coming to terms back to his original form he still struggles to fit in as the prince of darkness, however in the shadows many followers haven't approved o...
The Meteor Shower | NightKiller/StarKiller | by macrolunatic. by Macrolunatic
#4
The Meteor Shower | NightKiller/St...by Macrolunatic
Nightmare and Killer are in-love mates, but some months ago Killer met Outer on a mission, and he ended up liking his company. Killer stopped loving his mate for how Nig...
Falling Stars| Killer x Outer/Outer x Killer by LaliaShy
#5
Falling Stars| Killer x Outer/Oute...by LaliaAngel
The creator no longer responded to the protector's calls, those colourful hues stopped dripping from the doodle-sphere. Without those hues, he couldn't feel anything. U...
♡ᴛʜᴇ sᴀᴍᴇ ғᴀᴛᴇ♡[ ᴀɴᴅ ᴏᴛʜᴇʀ sᴀɴsᴇs sʜɪᴘ ᴍᴏʀᴇ ᴀɴᴅ ғᴀɴᴅᴏᴍ]~is CLOSED by CreatorCreamBoy
#6
♡ᴛʜᴇ sᴀᴍᴇ ғᴀᴛᴇ♡[ ᴀɴᴅ ᴏᴛʜᴇʀ sᴀɴsᴇs...by CreatorCreamBoy
This is just an AU that i make soo dont juge ok because this maybe the longest story i made? In this story is about All Sanses ship that I love, So enjoy reading it caus...
The New Guard Of Wonderland (Alternate Undertale Universes) by ImFeelingFrisky
#7
The New Guard Of Wonderland (Alter...by ImFeelingFrisky
This is a new book I made! And if you want it may be a new AU! In this story Blueberry feels sad and left out. He feel like he's unimportant compared to the other star s...
High school has just begun (sansect story)DISCONTINUED- by Shipperfangirl13
#8
High school has just begun (sansec...by 💜I-ship-IT!💜
It's a new school year all the sanses are sophomores and nothing had change some keep there darkest secrets hidden others hiding there love having a few enemies who was...
Sanscest One-Shots by LaliaShy
#9
Sanscest One-Shotsby LaliaAngel
A book to get my writing back into steady pacing, and while I add it some small ideas of other pairings as well! Mostly for fun, and create some small stories! ❋*˚┉┉┉┉...
What is this? by i-am-not-here-ok
#11
What is this?by i-am-not-here-ok
killer and outer meet and that's all ur getting Im not very good at this bare with me
The Challenge Over One {Sanscest} (Multiship story) by idkTbh1273
#12
The Challenge Over One {Sanscest}...by Thank you ❤️
Three skeletons fight over a certain skele- Who will win?! You'll find out at the end! Till then, enjoy my story broskis! This is my first story....so don't insult me to...
magical kingdoms (sansect) by Shipperfangirl13
#13
magical kingdoms (sansect)by 💜I-ship-IT!💜
There were different kingdoms some of them were just normal nothing special about them others were more special they had monsters and humans they all had special powers...
Haunted Halls  by sakura_2020_
#14
Haunted Halls by Dollilah
Long ago a small group of Sanses wondered in to a hous of mystery little did they know that they would not survive their little adventure Now a new group wanderers in th...
Killer x Outer : Une long histoire ... by Leptitloup
#15
Killer x Outer : Une long histoire...by Nov Writing Alchimist
Killer? un jeune garçon de 16 ans qui va bientôt fêter ses 17 ans, a parcourut un long chemin. Né dans une famille de criminels et élevé comme telle , il était complètem...
An Outer x Killer story (Canceld)  by blackgoopbirdie
#16
An Outer x Killer story (Canceld) by Im a Birdie
Since there's a few ppl making a story bout dis two skelly ship, maybe I should start making it :D if u hate dis ship or homophobic, u can ignore dis story or curse at i...
-Starry Eyed- (killer x outer / supernova) by justanotherweirdo121
#17
-Starry Eyed- (killer x outer / su...by justanotherweirdo121
This is a supernova fic! Or a killer x outer sans fic? Whatever. (btw cover arts not mine, love it though <3) This fic happens at around the same time as my bloodycro...
Error sans Instagram post by _Vioxychan_
#18
Error sans Instagram postby Idzni novaira. S.
love your life ✖ love your Instagram ✔ *suck at description*
You had your chance!(Naj killer X Outer) Discontinue by JammyHood9
#19
You had your chance!(Naj killer X...by 🎵💜 Øreo 🎵💜
After killer confessed to nightmare and it was a complete disaster killer runs home crying. The next day when killer meets the new kid Outer nightmare realizes that he l...