Stray Kids (Hangul: 스트레이 키즈) is a South Korean boy group formed by JYP Entertainment in 2017 and debuted in 2018 through a reality show of the same name. The group is composed of nine members: Bang Chan, Woojin, Lee Know, Changbin, Hyunjin, Han, Felix, Seungmin and I.N. Woojin left the group on October 27th, 2019 for personal reasons.

Prior to the show's premiere, JYP Entertainment released Stray Kids' first music video for a song titled "Hellevator", which was later released as a digital single on November 1, 2017. Their survival reality show premiered on October 17 and although there were eliminations, it ended with all nine members in the final lineup of the group.

Along with the launch of the group's official website, JYP Entertainment announced the release of the group's pre-debut extended play titled MIXTAPE. It contains seven tracks co-written and co-composed by the members, including "Hellevator" and other songs that they performed during their survival show. The extended play, along with the performance video of it's second track "Grrr 총량의 법칙 (Beware)", was released on January 8, 2018, while the performance video of "어린 날개 (Spread My Wings)" was uploaded online a week ... More Biography