I also wanted to write a oneshot book because I'm also into the fandom and grew up with FNAF since I saw a lot of them and I'm like "sure why not?" So here it is! Hehe
What I will do:
Character x Reader
Father/Mother/Sibling figure like
Smut
Fluff
Gore
Yandere
And whatever you guys want I can't think of any more lolCharathers I will do
Gregory
Freddy
Roxy
Chica
Monty
Vanny
Sundrop and Moondrop
Afton
Vanessa
Bonnie (yes I know he's gone)What I won't do
No smut of Gregory he's a child and that's just nasty (unless any of you request a grown up verison of him)So request away my friends