In this story, when Jiya is the younger sister of bts and blackpink but they all hate her. Mr kim father of BTS, Blackpink and Jiya , he fell in love with his assistant Mrs Choi. Mrs Choi also love him the most but she love someone more than Mr Kim, her daughter Choi Yn. Choi Yn she love her mother so much. What happens when Mr Kim and Mrs Choi marry with each other?!.All Rights Reserved