Seol-hyeon is changjo sister, when their parents died he became an abusive brother, one year later she left their house. Seol-hyeon was adopted by the park family, she has an older brother park chanyeol. He became her big brother, protector, bestfriend, and a hobbie partners that was until he decided to join a k-pop company (SM entertainment). in her elementary university she became bestfriends with junkook even if he is older than her, she and her brother chanyeol still talk everyweek in skype.  In the release of Miracles in december the company stated they will let one of the sister of exo stay wil them in their dorms, tours, award ceremony with the whole group. them seol-hyoen was picked, what will happend to her life full of k-pop idols?