
#1
You and Your Bitty Palsby Blueprint15778
It has been 10 years since the monster broke free from the barrier, and since then monsters and humans live together in peace. But for some reason, monsters have somehow...

#2
This life as Error Sans.by DaCoolest
⪼A life where our beloved [Reader/REDACTED] died a very.. 'Fun' death.
⪼upon realizing their death, they'd realize that they reincarnated into error sans, a character th...

#3
Reincarnated as a Voiceby TiredAndBored
TW: Swearing and slight gore
Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other peop...

#4
Lightbringer Of The Multiverseby lazar.
Formerly known as, "Becoming the Dream of the Multiverse".
Book cover is mine.
A mistake made by the creator, a wish that was never ever bound to happen.
"...
Completed

#5
Reincarnated Inkby luna Rose
What is Ink was reborn? This is a fan fiction both inspired by the story "reincarnated Error" on Wattpad and "If Blue joined the bad sanses" on YouTu...

#6
Reborn as fellswap san and now I'm...by Karma Akabane
What if..someone from our world was reborn as fellswap sans? But an accident when he was young leads to becoming blind for a long time and papyrus feels guilty about not...

#7
Undertale AU Sibling Oneshotsby CrowBorn666
Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty.
They're your siblings now!
Cute, edgy, as much angst as you want, sad-whatever!
Reque...
Completed

#8
Mind Controlby Gomarnic Yumika
The Bad Sanses had had enough of doing what is good and stopped destroying the multiverse so that they can finally be able to be themselves. But when they meet Classic d...
Completed

#9
I'm...swap gaster?by Karma Akabane
Yeah sorry gained an idea on if someone became swap Gaster
Also they may be apathetic or just confused on their feelings and MAYBE Autistic, I may be a bit wrong on ap...

#10
Becoming Fresh sansby LazyAmeliaforEli
What if someone in our world becomes fresh sans?
---
Story Status: [✴️Ongoing] |⚪Unedited⚫|
。☆✼★━━━━━━━━━━━━★✼☆。
Impressive Ranking:
#128 out of 47.9k - Undertale | ⊙.☉
...

#11
Hero Time Trio (Bad Time Trio X BN...by Shadowchaser of Unitrex
Bad Time Trio meets BNHA
Disclaimer: I do not own BNHA, Or Undertale, or any of the AU or any of the pictures showed

#12
【Our Mariposa】by Da_Insect_Mom
"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...

#13
Sapphire Judge (Undertale x BNHA C...by iiDollieFluff
Sans world gets reset and he finds himself transformed into a human girl in a world of heroes and crime. She, however, is all alone, her friends and brother all lost to...
Completed

#14
Becoming ink sans from undertale m...by Karma Akabane
What if someone from our world died knowing a lot from the undertale and their multiverse/underverse? What if that person also knew about the balance and didn't creat to...

#15
When actually, being the destroyer...by Goodbye
The destroyer had suddenly gone quiet these days.
Suspicious huh? So the Star Sanses and Nightmare's gang decided to check.
Unknowingly to each other of course, that the...

#16
WILTED: A Sans X Child Reader Storyby Yusuka-chan
[I have decided to do what I always wanted 😄😄]:some people put warnings for these so.....CHILD ABUSE IS DISCUSSED
You were, thought to be mute and was horribly abused...
Completed

#17
Undertale x Infant!Readerby ~Raac~
Taking a journey through the Underground seems fun to experience and to Fight or Act through. But is it really fun when you're just an infant? Will you ever make it back...
Completed

#18
Killed it! {Reincarnated as A Kill...by DaCoolest
⪼Beaten up and betrayed, {Name} dies an unfair death because of their best friend. Having their life and their brothers whisked away in a flash.
≫They find that they inh...

#19
Hope for a better Future (Male Sil...by memeloader2
Y/n is a Silver haired boy that grew up in a ruined future, a future filled with pink monsters that roam around and destroy life. He helps fight these monsters with his...

#20
I am not cute (UF! Bitty Sans x re...by Crazy Wild
This will be my first book so please no hate. I am trying to make the book for both genders so if I wrote something for a specific gender please tell me. If you dont lik...