(Yandere - in love, obsessed, stalker type of person.) Jayron, your classmate, has been known to be very good at biology, knowing a lot about the human body. What can cause permanent and temporary problems, what exact muscles are where in your body... that sort of thing! The issue about your classmate is you heard he actually hurt someone in the school. A girl named Lisa, who often talked down to people and was a well-known bully, was in school after hours. So was Jayron. She's still missing...