Lee Heeseung is your enemy he's cool, attractive, smart, sweet to a girl and every girl want him while you quiet student, beautiful, cool, smart and you don't like him cuz he keeps mocking you

One day you come to school then he start to making fun of you in front of everyone then.. You quickly go to library feel tired.. Then you read a book suddenly you saw him come in.. Then you look at the book

What would you do next???