Smut about Undertale characters (mostly Sans). I write this whenever I want to, which can range from 2 days to a week. I had a story with the same name on a different account, but I had to delete it because my mom said she had found it and was going to read it. I flipped out and deleted the whole thing. Yes, I made the cover myself.

Just a whole lot of gay skeletons. Possible Lemon. Possible Emotional Roller coasters.

This is a remake from my story that got deleted (RIP Undertale Lemons Request Book) Most of these chapters might be Sans and x reader's sooooo Also the chapters before the "A/N or Update" are cringe so read at your own risk

Slow updates :,D

Underfell Sans is a dirty sinner, he likes reading yuri and lemons with no regrets, loves/hates his brother UF Papyrus, He can't stand US Sans and the way he fan boy's over him While UnderSwap Sans or Blueberry is an innocent childish skeleton, who likes sweet things, romantic fanfictions, secretly likes yaoi and yuri, loves his brother US Papyrus and has been trying for 2 years to be Underfell Sans's friend