Dahye(you)is a student in SM International High School she’s a top student in her class and she’s kind a nerd and often gets bully,her life is simple she’s living in a normal life with her parents,She get in to this prestigous school due to KimJongIn’s father and who is also your dad’s bestfriend that got amazed by your grades in class .She was force into an arrange marriage with  bilionaire’s son Kim JongIn.Kim JongIn is who just got back from the states who is studyingat SM International High  and also the child owner of  the school, he is opposite of Dahye,he often skip school doesn’t care much about education, love to flirt with any random girls handsome,Kingka in a group named EXO with 12 members including him.Acted really cold hearted towards Dahye,but simply falling for her and same goes to Dahye