Park Jihun is BTS's Park Jimin's sister. She is 17 years old and has always hated her brother afrer he left her alone. After her brother left she became a badass and broke many rules like going to clubs. Her parents eventually had enough and sent her to live with BTS. Jimim doean't know about his sister doing illegal things and when he does and he doesn't know what to do. Jimin is dating Jihyun's enemy who she despises. Is there more to Jihun then what Jimin knows?