Riwoo
Known As: Lee Sang-hyeokBorn: 22nd October, 2003Age: 23Birthplace: Seoul, South KoreaBiography: Lee Sang-hyeok (이상혁; born October 22, 2003), known professionally as Riwoo (리우), is a South Korean singer and dancer under KOZ Entertainment. He is a member of the boy group BOYNEXTDOOR.
