Undertalesmut Stories

not every story has a happy ending

Title says it all! Ranked 5 in "undertalesmut" on 07/15/2018 #7 in "Undertaleoneshots" on 5-11-19 #6 in "Undertaleoneshots" on 5-19-19 #5 i...

(Comes back 4 years late w Starbucks and improvement) Hello! Welcome! Sin!

Hey guys! So, just to let you know, I transferred this from my other account because I didn't realise I was writing on there and not on this account, so the first two pa...

Yep. I'm making one of these. It will include one shots of EVERY Undertale character. From Froggit to Chara. Feel free to leave requests. I will do Lemons and Smut if yo...

This is my first fanfic, so please don't hate me for if anything doesn't make sense T-T WARNING: Mature content!!!!!

Feel free to request any Sans X Reader Oneshot, you can request Fluff, Drama, Smut/Lemon and others! You can even request AUs of any kind, well, except for Underlust bec...

they deleted it dawg

Undertale lemon with female reader! May make a male one but not quite sure. May also include some bits from the video game. Please don't read if you don't like lemons! I...

oneshot ;)

Just a lot of Crossmare. May contain smut, may not. There will be multiple stories in here, and I won't update this book as much as my other Crossmare book. ALSO! There...

read the title.

Sweat, baby, sweat, baby sex is a Texas drought Me and you do the kind of stuff that only Prince would sing about So put your hands down my pants and I'll bet you'll fee...

Smut basically

<18+> In the Undertale universe, a different human child falls down into the underground. Even though she is very young she will have to find her way home or stay...

Tell me if you want smut or innocent sweet love... your choice.

im sooo sorry😔💅🏽