Park Min Nao; A simple kind girl, kinda small in height but big in heart. She is a happy-go-lucky person which always smiles. But, she enters a new chapter. She auditioned for a boy band rookie group called SEVENTEEN. Making all the 14 boys, including Kim Samuel when they were still predebutes and still until he was a solo idol, fell for her. She was a hard working girl. Will she ever meet the person for her?

Park Chaeyoung is the 8th member of Bts. Basically you are going to see different adventures of the the 8th member.