Myung Jae-hyun (명재현; born December 4, 2003), known mononymously as Jaehyun (재현), is a South Korean rapper, singer, songwriter and MC under KOZ Entertainment. He is the leader of the boy group BOYNEXTDOOR.
Also Known As：Myung Jae-hyun·명재현·재현·BOYNEXTDOOR·보이넥스트도어·
Biography：Myung Jae-hyun (명재현; born December 4, 2003), known mononymously as Jaehyun (재현), is a South Korean rapper, singer, songwriter and MC under KOZ Entertainment. He is the leader of the boy group BOYNEXTDOOR.
