UCN-a murderers perspective

A story on William Afton's perspective of Ultimate Custom Night- William, a previous owner of the Fazbear entertainment franchise and murderer goes through an unpredictable and terrifying punishment that one of the children he murdered, Cassidy, creates for him as being the most vengeful spirit out of all children he took the lives of. The punishment is based off the animatronic creations he used to traumatize children and use as puppets to hurt them in hopes of recieving immortality out of a type of essence called remnant. This story is based off of the games and novels franchise Five nights at freddy's by scott cawthon and is specifically based off of the game and lore of Ultimate custom night in which you play as william afton, the villain