#1
I love you a skeleTON ( sans x chu...by Sierra Color
Mainly what the title says.
Lots of Sans, ton of SANS, Undertale sans, undefell sans, ALL THE SANS.
BUT WITH A CHUBBY READER.
WHHHAAAAT
I KNOOOOW.
READ FOR THE FLUFF...
Completed
#2
UnderTale Oneshots (FINISHED)by TheGrinningKitten
(I DO NOT WRITE ABOUT UNDERTALE ANYMORE SO PLEASE DON'T REQUEST ON MY CHAPTERS) (AND FOR THE LOVE OF GOD STOP COMMENTING ABOUT MY GRAMMAR, I AM SWEDISH AND I HAD A HARD...
Completed
#3
Sans AUs x Reader: Boyfriend Scena...by Lune Moore
Sanses included will be...Classic, Swap, Fell, Swapfell, Ink, Error, Dream, Nightmare, Dust, Killer, Lust, Horror, and Fresh.
Please be aware that the pronouns used for...
#4
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...
#5
The Last One - Error!Izuku AUby Crosoxon
"There IS worse fate than death"
The cover isn't mine.
Just a few warnings:
-boyxboy
-girlxgirl(maybe?)
-blood
-su¡cide(kinda)
-death
#6
The Christmas Party [Undertale Au'...by Pᴜɴɴʏ Sᴀɴs
[Undertale Au's x F!Reader]
Can be found in my Quotev Account --> @.FanboilingTrash | AO3 --> @.FanboilingWriter | Tumblr --> @.bdudette
When Blueberry and Str...
#7
From slave to friend - UF and USby _Undertale_writer_
UF!Sans lives in this hellhole, which is his life. "It is kill or be killed" and he learns that every day anew from his boss.
But what happens when a broken s...
#8
Bitter Berriesby 𝕂𝕒𝕔𝕙𝕠𝕨
Note to self: Never make jokes about getting reincarnated into a video game character because it'll actually happen.
Welp too late to go back now, considering I'm alread...
#9
[You're Not Alone] Underverse Cros...by Kim
You were a kind human who has a brother named Frisk. You and Frisk always get along until both of you climbed up a mountain. very curious if the legend was true or not...
#10
Unexpected Helper (Nightberry)by Kyran Wolfe
Blue is sick of being treated like a child by his friends and family. He shoves down his negativity in order to stay 'happy' like they want though. Nightmare has had eno...
Completed
#11
Becoming an errorby Karma Akabane
What if someone from our world became error and didn't destroy au's and left that for nightmare and his gang and claims au's?
( different things including personalities
#12
Undertale Au's x reader 5by Artsy is bored.
Yes, here it is the fifth book! I went ahead and decided to make the fifth one now, new book, new ideas!
Anyway, request are open, but give me some time to catch up wit...
Completed
#13
A Skele-Ton of Problems (Papyrus/S...by PeachiaKeen
It was your normal, average day. You were staying at a friend's place while she was away on some adventure in Europe. Next thing you know, some uninvited guests show up...
#14
the unamused captiveby Fandomfrenzy625
being pulled away from your home while your simply enjoying some alone time can be annoying
and to make it worse
you have no say in the matter as 2 teams keep throwing...
Completed
#15
The Lies Unturned. (Depressed Unde...by Chey Kennedy
[Previously known as "But He Never Showed It"]
Sans has been hiding something lately.. Will Papyrus figure out what's really been going on before it's too late...
#16
Black Roses (Overprotective!Bad Gu...by JulesRedenger
Nightmare found a young child a long time ago. When they fell into a coma it sent him over the edge. several hundred years later the child wakes up in a castle of darkne...
Completed
#17
Karmatic Trio (Bad time trio x BNH...by ImN0body
This story takes place after the player vanishes from their fight with the bad time trio aka Sans, Shift, Stretch. The three got stuck there for a very long time until a...
#18
Becoming Error, The Forced God Of...by PinkieKido Cup
What if someone is reborn as Error?
What if they aren't so bad?
What if they're suffering in silence and keeping their job a secret for fear of hate?
How will Ink react...
Completed
#19
Sans Aus x Reader Oneshots (Infreq...by ᶜʰᵃʳˡᵒᵗᵗᵉ
If you can't tell what this is from the title idk what to tell you...
I will do requests and they can be as detailed or as vague as you want.
I will do OCs if you want.
...
#20
Undertale x male readerby Toad Yeager
So harem book of Charas and Frisks x male reader but real description is below this.
The only one of his person in all universes is part of Undertale with an OP powers b...