Son Chaeyoung is a nerd in day and a badass street dancer at night, Myoui Mina one of the most popular girl in the campus because she is the leader of the dance club   “Are you the leader of the dance club from JYP Art School”, Chaeyoung asked   “Yes! Do you want a dance battle?”, Mina answered in irritated tone   “Let’s start!”, Chaeyoung started b-boying   How the two will develop t