Killerxouter Stories

26 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...
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...
Falling Stars| Killer x Outer/Outer x Killer by LaliaShy
#4
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...
outer x killer oneshot by Vera_Woldy
#5
outer x killer oneshotby Vera_Woldy
a outer x killer oneshot more into interaction then the fluffiness long chapters can request in any chapter fluff on the chapters with fluff written cover is from x_nz...
Sanscest One-Shots by LaliaShy
#6
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! ❋*˚┉┉┉┉...
♡ᴛʜᴇ sᴀᴍᴇ ғᴀᴛᴇ♡[ ᴀɴᴅ ᴏᴛʜᴇʀ sᴀɴsᴇs sʜɪᴘ ᴍᴏʀᴇ ᴀɴᴅ ғᴀɴᴅᴏᴍ]~is CLOSED by Evorthegreat
#7
♡ᴛʜᴇ sᴀᴍᴇ ғᴀᴛᴇ♡[ ᴀɴᴅ ᴏᴛʜᴇʀ sᴀɴsᴇs...by Evor🐥✨
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...
-Starry Eyed- (killer x outer / supernova) by justanotherweirdo121
#8
-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...
The Challenge Over One {Sanscest} (Multiship story) by idkTbh1273
#10
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...
An Outer x Killer story (Canceld)  by blackgoopbirdie
#11
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...
You had your chance!(Naj killer X Outer) Discontinue by JammyHood9
#12
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...
killer x outer (old) by Eambis
#13
killer x outer (old)by Emabis
today what killer first day of school in monster high went he first saw outer something change his life or keep the same
Curae Bitties by LeroyOmalette
#14
Curae Bittiesby LeroyOfOmalettes
You are a girl/boy/genderless in a kingdom called Stonecold with other neighboring kingdoms which are Sevah, Linkfern, Brushy-Wushy, and Jawns. You meet 37 little bittie...
The New Guard Of Wonderland (Alternate Undertale Universes) by ImFeelingFrisky
#15
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...
Haunted Halls  by sakura_2020_
#16
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...
magical kingdoms (sansect) by Shipperfangirl13
#17
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...
High school has just begun (sansect story)DISCONTINUED- by Shipperfangirl13
#19
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...