Undertalexoc Stories

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12 Stories

Deltarune / Undertale One Shots by haskelll
#1
Deltarune / Undertale One Shotsby desmond
Smut, Fluff, etc is allowed! Will mostly be smut just because 😳 Deltarune / Undertale belongs to the lovely Toby Fox, Wallpaper cover belongs to sadly dont know who , s...
Overstory Chapters 5 and 6 by ReaperPH
#3
Overstory Chapters 5 and 6by ✝️ Richter Berumondo ✝️
Chapter 5 Plot: Carter Cross, one of the human children of the Dreemurrs, has caused genocide in AUs, he is currently an AU hunter at this point. Frisk and her friends m...
M Y  J O U R N E Y  B E G I N S . . . by fuckassshithole
#4
M Y J O U R N E Y B E G I N S...by Kiki nop
In case you didn't hear one of my announcement, this story is about my OC and her adventure btw it maayyy has some Undertale AU's sooo... Also, all of this art is made b...
Out of Bounds [Undertale!AU x OC] by NamiCaven
#5
Out of Bounds [Undertale!AU x OC]by The Crashing Waves
Thanks to Sans and his works, a one-way portal opened, accidentally pulling some identical skeleton monsters. The government should never know about this. Specifically t...
Overstory Chapter 2 (an Undertale x OC Fanfic) by ReaperPH
#6
Overstory Chapter 2 (an Undertale...by ✝️ Richter Berumondo ✝️
One year has passed after Hugo Cross was defeated by his brother, Carter. He(Carter) and Frisk just turned 18 this year and the descendant of a Hate Demon known as Kuray...
Undertale - Just Another Pacifist  by SilentArt
#7
Undertale - Just Another Pacifist by Arty Sonan
Hexis Reid is a kid who just doesn't try to fight life. He just rolls with it. Being a teenager with a not-so-nice dad and a usually away mom, the mute black haired male...
✔ Undertale, Christmas Party x OC by Bunny-Crystal
#8
✔ Undertale, Christmas Party x OCby Ghost
The Christmas Party was formed to enjoy the end of the year and help with AU awareness for AUs like Underswap, Undertale and Underfell--the main three which haven't know...
Overstory Chapter 1 (Undertale x OC fanfic) by ReaperPH
#9
Overstory Chapter 1 (Undertale x O...by ✝️ Richter Berumondo ✝️
A/N: So, in this au, Chara and Frisk are both girls and Kris is a boy and this would be taking place shortly after Undertale. Carter is a 17 year old 3rd year high sch...
Snowtale (an undertale story) by Snowdrop12000
#10
Snowtale (an undertale story)by Snowdrop 12
A little wolf girl is the only human that isn't completely human. She tries to find her way in the, but sadly she doesn't think she is good enough for humans. She goes t...
~Secrets~ An Underswap Fanfiction by ClaraRuns
#11
~Secrets~ An Underswap Fanfictionby JodieLikesSouthPark
I only wanted to get a snack before bed, but i guess i just got a relationship from the most famous royal guardsman in the underground... and i have to keep it a secret...
Undertale - The New Human by Natlyn2398
#12
Undertale - The New Humanby natalie_anc
Let's just say another human had came a day after Frisk, and she not normal.