An image from WHAT? DOOR!, one of the productions that also features Kim Woon-hak.
Kim Woon-hak
November 29, 2006 — Suwon, Gyeonggi, South Korea
Kim Woon-hak, known mononymously as Woonhak, is a South Korean singer, songwriter and MC under KOZ Entertainment. He is the maknae of the boy group BOYNEXTDOOR.
