Riwoo
AKA: Lee Sang-hyeokBirthday: 2003-10-22
Birthplace: Seoul, South Korea
Home Page: https://kozofficial.com/artist/profile/BOYNEXTDOOR
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.