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221 Stories

Hungry Love (Horror Sans x Reader ) by YandereEmo
Hungry Love (Horror Sans x Reader )by YandereEmo
In the midst of Tokyo's bustling streets, you led a life that appeared ordinary, despite your role as a leader in a prominent gang. Yet, beneath the façade of normalcy...
Determination Melt by UbaLala9
Determination Meltby UbaLala9
Error woke up one day and had a strange semi melting child skeleton standing over him. So he did the reasonable thing and screamed
Mommy biggest little monster ( Nightmare sans) by Moonwolf_230
Mommy biggest little monster ( Nig...by darkmoon_sans23
. Nightmare and dream mom had came to visit them. They were in battles fild fighting both of team. Nightmare dream stop attack look that deep forests seen someone there...
I'm reborn as geno but... by DancingAce1
I'm reborn as geno but...by DancingAce1
I died. how? well some crazy guy broke into my apartment and killed me. Now I'm reborn as a copy of the original geno except something is different... why do I have wing...
mergeverse oneshots by FanFicLover6982
mergeverse oneshotsby Nicole
a one shot for one of my story's I have, it will most likely be better to read that first before this.
(Resurrected Again!) Reborn as Crescent by MistyRose3968
(Resurrected Again!) Reborn as Cre...by MistyRose3968
Someone from our world died and is reborn as Crescent. I'm BACK And I have ideas kind of.
Fgod, Sans and Papyrus AUs, and... Pokemon? by UbaLala9
Fgod, Sans and Papyrus AUs, and...by UbaLala9
FGoD characters end up as Pokemon!
she not a heartless monster she just want to be love..[restart 3.0] by Moonwolf_230
she not a heartless monster she ju...by darkmoon_sans23
I know I did two book of this of my restart but I decided to [rest button] my story to new time-line!!! but it different from my orginal and restart book! I know I been...
My Cruel Fate MCF by Notysrry
My Cruel Fate MCFby nope
☆♡cross is begging to be free from nightmare but each encounter he gets further away from his freedom. will anything or more so anyone ever help him in this dilemma?♡☆ ~...
I AM REBORN AS NIGHTMARE... but the female version  by nightmare-lady
I AM REBORN AS NIGHTMARE... but th...by Nightmare lady
I am (y/n), female age 29 years old, having a game night with three friends where we were 7 years old. we were hit by a high driver. We died together that day.
i given enough!? (nightmare sans) by lunatwins114
i given enough!? (nightmare sans)by Lunatwins114
nightmare the king of negative and fear who fear in whole aus even the bad guys. he was so bad that everyone called him heartless person to be hear and not to trust. mon...
She Not A Heartless Monster She Just Want To Be Love 【 RESTART】 by Moonwolf_230
She Not A Heartless Monster She Ju...by darkmoon_sans23
Hi guy i am restart my story wish me luck AU BAD SANS X MHATALE luna the daughter of nightmare sans the king of fear and negative had die with his sons in sans world War...
Inconsistencies 『Undertale Multiverse Story』 by lonespectator
Inconsistencies 『Undertale Multive...by specs
Journal of an insignificant and forgotten being. [ Start: 1/1/24 ]
YOU TOOK EVERYTHING FROM ME!! (luna Sans) by Moonwolf_230
YOU TOOK EVERYTHING FROM ME!! (lun...by darkmoon_sans23
Luna the daughter of nightmare the last thing from the king of fear and negative his group his gang his kingdom and his glory evil thing he did in past. Long live the ki...
A Special Blueberry {Bad Sanses X Blue!Reader} (Slow Updates) by FictionalShippinBean
A Special Blueberry {Bad Sanses X...by Wants To Rp
(The Bad Sanses act more or less like a group of misjudged people trying to help balance out their multiverse in this book :3) *no description available yet*
Nightmare's "Amnesia" by Dark-Snow_463
Nightmare's "Amnesia"by Dark-Snow
[Inspired by "A change for the better" | Diamond3343 's story] "Whatever I did in the past I have no memories of so if you judge me on that go ahead. My l...
oc story/'merge verse by FanFicLover6982
oc story/'merge verseby Nicole
honestly just a place for me to write about an oc and verse idea I've had with some friends ocs in it as well All sans aus belong to their rightfull creators I did not m...
reborn [ nightmare & night]   by Moonwolf_230
reborn [ nightmare & night] by darkmoon_sans23
star sans had killed nightmare team. nightmare was only one who survived he was injured really badly can crying in tears that his children AKA bad guys die by dream ha...
Reborn as Swap Sans by -InkSans-
Reborn as Swap Sansby Ink Sans
You are Swap Sans but you used to be a human but you died but all you remember is that your name is Blue and well what all Swaps know like your brother Stretch and you k...
Bone Dragons by UbaLala9
Bone Dragonsby UbaLala9
A take on fgod and gaster blasters. Involves dragons!