Smart classmate

Her name is Yun-mi and she is the student council president and embarrassingly is not the number one student but perhaps is the 2nd smartest in the school and she has her entire student council gang vice president Minanto, Secretary Ji-young, Treasurer José, and the enforcer whom is the delinquent of the group Yuto whom he is the toughest. Yun-mi herself is the harshest and extremely stern one in the group