It was your birthday, a yellow rabbit offered you a pizza with other children, since you were very innocent you went but you didn't know that was the last time they saw you
When you woke up you felt your body a little heavy, you saw yourself in the window of the place and you saw that you were an animatronic, specifically the one you liked. You looked around and you could see the animatronics looking at each other and some worried.
after a few months the other children soul and you chase William as he hided in his golden bonnie suit,bit he got springlocked. The other sould disappeared,but you remained as you look down at him dead on the floor in the pool of blood he made,feeling kinda guilty,so every day you came to visit him for 30 years,until he suddenly started to wake up