Hana is studying in an all girls school , Busan Womens Academy , A prestigious school for those who are the Elite in Busan.But then later on Hana's Parents decided to leave busan and go to seoul for a business.Hana then went to S.m Academy.S.M Academy is formed by Lee Soo Man who is the CEO of S.M Ent , S.M Academy is for the riches Son(s)/Daughter(s) in Seoul.    Kai who is the son of the Riches business man in Seoul who owns 10 largest buildings in Seoul. Kai is an Elite stu