Sanscest Stories

1.2K Stories

He is too good...(Dustberry) (Blueberry x Dust) by fuglyduck
He is too good...(Dustberry) ( Sabbie
This story will contain allot of violence, cussing, smut and other things... Blueberry used to hangout with Ink, going around visiting different AU's ..However when they...
Insomnia- Accidental Love by CaptainPluffer
Insomnia- Accidental Loveby CaptainCrunch<3
There are two sides in the Multiverse. There are the Star Sanses, known to be the heroes and saviors of the Multiverse. And then there are the Bad Sanses, known to cause...
midnight roses (nightberry) by nova_glitches
midnight roses (nightberry)by blue!
swap has been getting alot of weird things happening lately but he doesnt know whats going on..
It will take me a long time to recover, so please, hold my hand while I do   by Abomination_X
It will take me a long time to Cross irl actually
Sometimes Cross still has trouble believing that this is real. He still has trouble believing that this isn't just a beautiful dream, that he won't wake up alone again...
What if? (A error sans story) by melonfantasy
What if? (A error sans story)by Melon collie
What if Error has a child.
A Killer Life by Mijunaa
A Killer Lifeby Mijuna
You get a new chance to live but will it turn out? The good way? Or... The bad way? Who knows... My first story, don't mind me im trying lul. Art belongs to me
𝙸 𝚛𝚎𝚖𝚎𝚖𝚋𝚎𝚛. [ink x error fanfic] - discontinued  by dusty_crusty_
𝙸 𝚛𝚎𝚖𝚎𝚖𝚋𝚎𝚛. [ink x Dust
⚠️ [warning] ⚠️ This fanfic mentions topic such as suicide, depression and self harm. If your sensitive to these topics, please don't read it. And if your suffering fro...
CURSE [CrossMare] by genoafters
CURSE [CrossMare]by red
one friend... just one friend and he'd be happy. just one friend who'll accept him for who he is. just one friend that would love him no matter how he looks like. just o...
Do it with me~ (Killer x Dust) by SomeSpy
Do it with me~ (Killer x Dust)by Spy
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...
The Crooked Oak - Undertale Script Book by Corpsetalia-fan
The Crooked Oak - Undertale ZibijilPtelemieu
The Universe is vast. And if there is anything confusing that having two of yourself, it is having a vast plethora of others similar to yourself, that have the same name...
Second Sanscest Sinn Rp Book! by ImaShamelessSinner
Second Sanscest Sinn Rp Book!by Adam
you cannOT DEFEAT ME BECAUSE I LIBRARY MY OWN STORIES, HAH! sorry anyway, my other one got deleted but I can still view it for some reason so I've found a glitch!
Skeletons one-shorts (requests Closed) by Loui230p
Skeletons one-shorts (requests Tell me what to update!
I'mma do this now. Will be depressed you can use any of the stories as inspiration or in your stories but please credit me if you use it.
You're Not Alone: A Swad x Killer story by BrightPinkTeen123
You're Not Alone: A Swad x NightmareSansBeanu
After a mission to defeat the Star Sanses fails, Killer is blamed for letting them get away. That night, he runs away from home, only to be greeted by someone with wings...
Remember The Stockholm (Demon fell x angel sans) by RandomSans
Remember The Stockholm (Demon A-Random-Sans-Here
The king of hell (fell sans) saw a new monster in the after life, an angel (classic sans). Though he was in hell he still wants someone to love. So how does he make clas...
Error Sans x Outer Sans (Some Lemon) DISCONTINUED by Despair-Of-Stars
Error Sans x Outer Sans (Some Kai
This is an Error Sans x Outer Sans ship story. If you don't like that then get off my page. This story contains sexual scenes and crude language. Sexual scenes will be...
Old Mansion (a Sanscest story) by Lazy_alien_cat
Old Mansion (a Sanscest story)by Lil Mushy
Looking for a creepy place to play games, Nightmare brought his friends to an abandoned mansion, ignoring the rumors about it being haunted. It didn't take long before w...
Toxic Glitch by Fraises-Araby
Toxic Glitchby Errorink Thot
Undertale was made in 2015. That's a long time ago isn't it? Now many years later, it's a wonder how people are still falling into the fandom or better yet still staying...
Harem Sans :3 by QuxxnFlixx
Harem Sans :3by Indefinite Hiatus...Love You...
AKA THE BOOK WHERE EVERY SANS LIKES UNDERTALE SANS! :D Don't question my sanity, I just like this ship ._. THIS IS A CRACKFIC- (probably) Edit (5 July 2020): Y'all I mig...
Ask or Dare Dreamswap by Dragonfall88
Ask or Dare Dreamswapby Christine
Feel free to ask or dare Dreamswap. Please read the first chapter to know what ships are gonna be in this and who you can ask or dare. All the Sanses belong to their res...
UNDERTALE CLASSIC SANS by silverfrostlight
Mainly Classic Sans as Uke no other than that