PENTAGON is a South Korean boy group formed by Cube Entertainment in 2016. The group consists of 9 members: 진호 Jinho, 후이 Hui, 홍석 Hongseok, 신원 Shinwon, 옌안 Yan An, 여원 Yeo One, 유토 Yuto, 키노 Kino and 우석 Wooseok. They were introduced through the Mnet survival show Pentagon Maker.