You left class for the bathroom. There you see a girl sitting against the wall and a guy, Zachary your classmates, on top of her. At first you think they are having intimacy but something doesn’t feel right… more you look more you realize that the girl is REALLY not moving… and Zachary seem to be more… bitting her arm or something ? When you try to leave the door doesn’t open and the noises alerts Zachary that turns to you… blood all around his mouth…