you're just a simple high school girl you doesn't like injustice , you want to help people out and suddenly you met yoon doojoon , the school fighters who always get in trouble and really often to be suspend . he is real  jerk in other people eyes people said he is bad , widl and uneducate , he fights everyday and was the leader of all bad student , all of the student scared to be beaten up by him , but their is something hidden inside him that only you know