KOREAN NCT NCT 127 NCT 127 – Knock On Knock On [Album] NCT #127 Regular-Irregular 2018.10.12 Taeil, Johnny, Taeyong, Yuta, Doyoung, Jaehyun, Winwin, Jungwoo, Mark, Haechan Lyrics/작사: Zaya, 김민지…