BTS the very famous kpop boy group in the world, they are hardworking, humble, honest and love able.

Kim Seokjin the oldest and mother like of the group, all of the members love him but he has a secret some of the members tries to have a bath together, Jin always refusing and want to have a bath alone. He is ashamed about his heart shaped-birthmark, even him he doesn't know why his mark is like that and he thinks that the members may disgust him for having a girl like mark. and he is having strange dreams... about a palace that made of crystal..

Little did he know the members have their own secrets.