Park Junghee is a cold-hearted girl.She is the sister of Park Jimin.She barely smiles,only to her very close relatives. One day,Jeon Jungkook comes to the school as a new student.He is a shy person and doesn't know that Junghee is Jimin's sister.When Junghee comes to school with bruises one day,he notices and helps her out.A friendship blossoms,but will the two friends feel something more than that?After all,opposites do attract....