Fnaf fic

-Phantom Mangle and Springtrap have been friends for life. But over time, he drifts away from being sorry for something she doesn't understand.

-One very fateful day, PM found a box full of notes from someone named Springbonnie... But according to the notes, he is gone.

-She asks Springtrap, but he couldn't answer, He wouldn't answer. Something was up.

-Note after note, a story of a life everyone thought was fake came together revealing the true mystery.