Jake is the mafia son. He disguise as a teacher in Yonsei university. He was really famous for being smart, handsome, hot, attractive and cool. He is very kind in front of them, since they're younger then him. Even tho he's the mafia son, he's still kind and polite to younger and innocent people. one day, his dad, the mafia boss, decided to arrange a marriage for him with his dad's friend, Mr.Lee. His daughter name is Lee Hyeji. She's also a student in Yonsei university.