You were Han Tae Yi's old friend, a friend who completely changed his behavior towards you after the death of his older brother and became cold towards you and hated jazz.But when Yoon Se Heon came, everything changed and you were officially ignored by Tae Yi.Of course, you were friends with Seo Do Yoon and Song Joo Ha when you were a child.Now you had changed your school and came to a school where your old friends Tae Yi, Do Yoon and Joo Ha were there and you didn't know it.