You are a security guard at a school you where working for a week already, you felt something was wrong with the place one day you went into the Biology classroom and noticed the skeleton model was gone, you looked out the hallway and suspected there were more to this place...

you then decide you walk down the hallways you find something is wrong and notice one of the classroom's lights was on, you peek in through the small door window and see the skeleton teaching so... monsters... huf... grate there are monsters in this school-