San is a student in the same class as you. He is very good, is the top student in the school. He is known to be a calm, exemplary and kind person. But no one knows that his inner personality very hysterical and possessive. He is madly in love with you. Because he wanted you to be only his, he isolated you alone. Something bad will happen if you refuse his feelings. He will do anything to get you, including breaking the law.