#1
Soul of a Weaponby Kyran Wolfe
What if Sans only got Papyrus away from Gaster? What would happen if Alphys found him trapped years later? Can they teach him to be a normal monster, or will he forever...
Completed
#2
A Trio of Misfits | Bittybones sto...by Sabinarius
Bitty! US pap x reader x Bitty! US sans
Our two little bitties have been through a lot, so what happens when they meet a human that's hurting just as much as they are...
#3
I'm not one of you by Shea_Butter
Frisk is a scientist in the laboratory of Ebott City, where she works with her Roomate and coworker, Chara. Frisk discovers anomalies beyond compare once she creates a d...
Completed
#4
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...
#5
My Two Masters (UF!Papyrus x Skele...by ~Oreo~
Y/N's been traded and sold her entire life. She's learned firsthand that if you don't obey your master, you get hurt. If you force yourself to listen, you live another d...
Completed
#6
Undertale Reactby ----
Undertale is going to react.
This will not be entirely canon and will include aspects of what I believe (backstories, ect.)
I do not own the cover and I do not own any o...
Completed
#7
Underfell Sister Scenariosby Lady of WIP
How would your life be as Sans and Papyrus's sister in Underfell?
Completed
#8
Reborn as sans from UnderSoul by Karma Akabane
I was reborn as sans from my own made up au. How did that happen? I have no idea. Luckily I was still a kid so I didn't have to act like how I made sans to act like but...
#9
Save them US Papyrus x Readerby Rhollis123
You tell you little sister the tale of the monsters. Little did you know this would lead to a rescue adventure for the monsters. And love?
#10
●~My Prisoner~● [UF!Papyrus x Fem...by xxAstrixZxx
[Completed]
[[Lemon and Swear Warning]]
[2019 Jan Note: This book dates back to 2017, where my grammar and spelling checks weren't efficient due to me being lazy. So I a...
Completed
#11
The Alien Hero of the Underground...by ShortMannZ
This story follows the storyline of if Ben 10 travelled the Underground with Frisk.
Feel free to notify me of any errors in the story.
I hope you enjoy.
(I do not take c...
#12
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...
#13
From Murder to Dustby Cliche
It wasn't as if he didn't care for them.
He did.
That's why he did it, after all.
He couldn't watch them suffer, so he did something about it.
Dust Sans story with Nigh...
#14
Undertale a New Monster is Hereby Why_Is_It_Spicy
Y/N was just your normal every day monster in the underground, well. That's what he thought at least before meeting the human. Join Y/N in his adventure with the human i...
#15
Altertale AU Comics by Strawberry Tori 🍓
Goats n' more goats
Altertale by Friisans -
http://friisans.tumblr.com
Cover Image by klaroja96
Most art by Friisans or LifeOfCynch
Other artists may be included
Disclai...
#16
Bruised To The Bone: (Sans x Reade...by sweet.is.bored_
(Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidental...
Completed
#17
Reborn in my own multiverse by Cosmicstars08
A passive soul from our world is reborn as a Sans who has to take action, Ink. As willing as a soul who was forcefully reborn they take charge of their baby of a multiv...
#18
Voidheart [Female Chara x Male Rea...by Shybo
"You shall seal the blinding light
light that plagues Human and Monster dreams
You are the vessel
You are the Hollow Knight"
•Somewhat of a reboot of Someth...
#19
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...
#20
Undertale/Au's x reader 4by Artsy is bored.
Here's the fourth book! thank you all for all the love and nice comments on the first, second, and third book!
NO LEMONS! FLUFF AND YANDERE ONLY!
Mostly Au sans and pa...
Completed