You went to the bookstore one day to buy some manga, but you got a lot more than you bargained for. You end up saving the Royal Scientist's life, and her fiancée can't thank you enough. So that's how you met the gang. But who's that skeleton guy you see in your dreams? Did the ambassador of monsters just join your swim team? Sans X Reader. Bad Words. Violence.

SansXOc. somewhere in the middle my brain decided it wanted to do SansXReader so if you find any misplaced You's my apologies. Chapters will be ridiculously long cause that's how I roll. This story is romance humor and comfort, so there will be a bit of angst, if you don't like that turn back. Rated m for language, smut much later and violence. 99 % of characters owned by Toby fox.

I've fallen into the Underground only to be found by the one and only W.D Gaster. Discovering my SOUL trait is Perseverance and already having one he decides to experiment on me. I meet two small skeleton boys and I bide my time until I can free myself and them. But what was I told by my twin before he died "Not everything goes to plan and everything changes"

You've got your independence, you work hard and sort of like your job like most people - one day you find a flyer for a missing pet rock and surely it's just some prankster. Soon you find there is more to life than struggling day to day on your own; you find friendship, love and some really good times [Undertale romance, fluffmountain with a thick black smutty core :D]

You find yourself at Grillby's thinking about a certain friend of yours hoping that he'd step through the door. Either by a cruel or amazing twist of fate, you end up staying the night over at Sans and Papyrus' house. It is then that the comical skeleton suggests that the two of you hang out because there's nothing better to do. Well, you agree. Undertale is Toby Fox's.

It was raining, loudly. Sans had a bad feeling. He had no idea why, but something bad was going to happen today. Whether it was going to be his pet rock dying, Chara coming back to cause him nightmares, or something worse than what he could imagine. Sans and Papyrus go on a quest to look for Frisk, only to find them in critical condition. Rated M for rape.

Underfell Sans x Underfell Frisk Fan Fic. It will contain: sex, bondage, dirty talk, biting, blood, magic tentacles, swear words, pregnancy, S/M. I write in a second person/Insert POV and I switch POV through out the story. Takes place in UnderFell AU, the barrier is not broken, Frisk as lived with the skelebros for years. It's April 1st and Frisk plays a mean prank on Sans.