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.

• Known ForActing
• Born22 October 2003 (age 22)
• Place of BirthSeoul, South Korea