Younghoon is a college student and he's very possessive of you even though you're a boy he doesn't care cause he's very obsessed with you and Younghoon kills one of your boy bestfriends that you are always hanging out with cause he doesn't like you seeing with boys and he wants you to notice him cause everytime you stare another guys behind Younghoon he thinks "did senpai notice me...?" And one day he decided to kill all of the boys in the campus