THE MAN BLK, 더 맨 블랙 (THE MAN BLK), Jeong Jinhwan, Choi Sungyong, Eom Seung, Choe Chanyi, Yoon Junwon, Lee Hyeongseok, Ko Woojin, Cheon Seungho, Shin Jeongyou, Kang Taewoo