#1
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...
#2
Bone-ly Ness Is Overrated (Sans X...by Sap/Sappy/Nyanling
The monsters have been liberated from the Underground by Frisk. You didn't mind the monsters, they were nice. You befriended Frisk, Toriel, Nabstablook, Sans, Papyrus...
Completed
#3
Gaster x Readerby MoonReader109
Pretty self explanatory. This takes place after the Pacifist route in Undertale. Through determination, Frisk was able to bring back Chara, Asriel (Asriel is Flowey per...
Completed
#4
In the underground: a reader x und...by nonagonalxbaby
This is like the eighth time I've typed this so yeah I'll make it quick. A random work of a dork (that's me!) non of the characters belong to me I don't own undertale an...
#5
Regretsby pastanotdrugs
Chara and Frisk come back to their old family house searching for a better life but the past still seems to haunt the older sister.
All the illustrations are mine!
I hop...
#7
Pietaleby AFGaming5
Hey! It's me pie! In this book I teleport into the world of undertale! And I also mess with the game! Enjoy!
#8
Clementaleby LucidaFonts
the opposite of underfell. New Au. You may use it as a Au but don't say you created it.
#9
DanganTale,Undertale auby Galatic Shy
This is more going to be like a thing where I show my designs for this au,probably make a comic outta it. Also this Entire au is based in Danganronpa:Trigger Hapoy Havoc...
#10
(After x naga)(NAJ){Now RP NAJ}by (DED ACCOUNT)
So this is my first fanfic so NO LEMONS. Now it's an RP book but whateves
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After is 19 (Also my OC) and lives with his siblings Gena, Reapva and wilted. He's the...
#11
Undertale rant bookby Pikachairpc21
A rant book filled with pies, lots of love and not LOVE, bad times, annoying dogs and emotional chewing outs. Enjoy and please feel free to roast anyone you want in the...
#12
Not Allowed to Love - Sans x Reade...by TrashQueen
Love seemed like a myth. You'd never fall for anyone, not even a... monster?
Everything seems fine being the way it is, that is, until you meet him. Something about hm...
#14
The Star Child by Whitefoxneko
For as long as the Underground has been a legend, there's a secret that had been hidden there for even longer. Now that the barrier that trapped the monsters in the unde...
#15
Undertale Pacifist Jurnal Entriesby xxdinoxloverxx
see the pacifist start to end. Idk what else to say. hope you like it
#16
Undertale (Another story) by Loraine Anderson
Loraine was only a fourteen year old girl who lived on her own, her own house near the legendary Mt. Ebott. Hearing the stories of how monsters where banished to that ve...
#17
Red and Blue Eyes (Undertale x Pac...by Felex
(Y/N) was an average kid on the surface. They had learned about the war between Humans and Monsters and that they should never go to MT. Ebott. It was dangerous there. A...