KOZ Entertainment first idol group BOYNEXTDOOR released their debut single album ‘WHO!’. Consisting of JAEHYUN, SUNGHO, RIWOO, TAESAN, LEEHAN, and WOONHA, this group is ready to take over the charts. We are intrigued to listen to which direction they will take with their music, the members actively participated in the production of this release. Let’s listen to the music they prepare for this triple title ...