NCT 127, sub-unit to the group NCT, is a South Korea-based boy group, and the number 127 marks the longitude of Seoul. The group is managed by SM Entertainment, alongside other NCT subunits NCT U and NCT DREAM. NCT 127 debuted in July of 2016 with the members Taeyong, Mark, Jaehyun, Taeil, WinWin, Yuta, and Haechan.