Seohyun is Cold and Fierce but Kind and Caring . She is the Chairman of class 2-4 . Many people thought that she is only cold and fierce but she is kind and caring inside . Have Parents and no siblings . Working part-time at the Cafe for earning money for her parents and herself . Bangtan Boys (BTS) they have 7 members . They are same classmate as Seohyun (2-4) and they are mean , playboy and handsome . But once they tried to make fun of Seohyun but it never works because Seohyun is Cold girl they tried to make her happy .