Stray Kids is JYP Entertainment’s 9-member boy group formed through Mnet’s reality show in 2017. The members are Bang Chan, Woojin, Lee Know, Changbin, Hyunjin, HAN, Felix, Seungmin and I.N. Prior to the premiere of Stray Kids, the group released a music video for its first single “Hellevator” on October 6, 2017, and the single took top five on iTunes’ K-pop chart in 12 countries. The group released their pre-debut EP Mixtape in January 2018, which debuted at number 2 on Gaon’s Album Chart and Billboard’s World Albums Chart. Stray Kids officially debuted with EP I am NOT on March 26, 2018 with title song “District 9.” The MV for “District 9” released on the same date gained over 4 million views within 24 hours and became the K-pop group debut MV with most views in 24 hours.