Riwoo
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.
- Popularity : 0.187
- Known For : Acting
- Birthday : 2003-10-22
- Place of Birth : Seoul, South Korea