Underlust Stories

WARNING! There is sex in this story and is very graphic. Not for anyone under 18! This story contains abuse, rape, gangbang, and not so light topics. Read at your own ri...

⛔TRIGGER WARNING⛔ Mentions of r*pe/s*xual assault Near gang r*ping Underlust's fucked up mentality Cursing And uh, mention of breeding? I guess? (if I missed something...

An adult Frisk falls down Mt. Ebott. And unlike on the surface, the people here do not hide their primal desires, yet they're still kinder than the humans up above. Di...

WARNING! (This story contains 18+ graphic parts(lemon in other words)and Self harm please don't read if your not allowed to or if you don't like any of this) Thank you (...

Dream had spent most of his time being pushed around by Ink and was expected to be the solution to everyone's emotional problems. The only thing he did for himself was t...

Sans and Papyrus were your best friends until randomly they just cut off all contact with you. This went for everyone else in your life so it didn't really hurt that muc...

Yes , a sequel. I can't just leave everybody hanging when my oneshots were actually getting a fairly awesome amount of reads! Plus, I have even MORE ideas! I can't wait...

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...

After All AU's of Frisk's death, all of the sans have been depressed losing their love/friend of their live. Until.........(Y/N) fell to the underground. As all of the s...

The title says it all. Warning: This contains vore! If you don't like vore and start to complain, I will make you regret ever trying to complain about MY book. There are...

It's been a while since Horror's world could be considered even remotely kind. But a newcomer drops in, and reminds him that there's still sweetness to be found in life...

Farmer sans was working at his and his brother's farm, until that night, he wouldn't expect a guest who he would later on learn to love. After a while living together. A...

This Is A Possible Lemon :P Well Duh

{FNAF AND UNDERTALE SMUTS 2019} Request are open at any time, just comment any time, if your an 11 year old perv then do what ever you want. I'm just warning you now its...

One moment I, a shut-in human female, was sleeping in my bed, the next I wake up in agonizing pain. Just when I thought the pain would end I was flooded with more, makin...

In these lands they are governed and divided into 4 kingdoms. Sword Hearts Clover Diamond Each kingdom is ruled by a King, Queen, and Jack (The latter serves as a counse...

Five Times Horror didn't understand something about his teammates, and one time they didn't understand something about him.

Their cold, dead eyes stared at yours. Why hadn't you done anything...? "I Hate You." [cover art doesn't belong to me, I just edited it]

This story is based off of times in my life where I imagined G was with me! WARNING: I WILL ADD SEXUAL CONTENT, STRONG LANGUAGE, AND DESPRESSION Description: Y/N lived w...

This will be fuuuuuuun