The best of friends named Jongup, Zelo, Kai and Chanyeol go to school every day to study, learn and run away from fangirls. One day, Chanchan or Chanyeol meets and falls in love with a new teacher for a new subject. This adds a new twist to Chanchan’s life, their friendship and the teacher’s life. Will Chanchan get the girl of his dreams? Will his friends help him? Will the teacher accept him if he ever confesses to her? Who is the teacher anyway?