Nightmare (fnaf X reader)

(Y/N), a normal 16 year-old school girl has a normal good life until four new students join the school.
With the new murderers on the loose, most people are terrified, unaware of the murderers in the school.
They say the deaths are by someone having a nightmare then having metal stuffed into their skin.
As the attacks get worse, the closer (y/n) gets with the murderers them self, what will happen when she finally finds put their secret.

This book will have parts with options, meaning you choose which one is most like you, the options you pick will choose your ending.