CIX is a five-member K-Pop boy group under C9 Entertainment, consisting of members BX, SEUNGHUN, BAEJINYOUNG, YONGHEE and HYUNSUK. The group name stands for “Complete in X”, which means the quintet will gather to complete the unknown. In 2019, CIX has actively promoted the title song ‘Movie Star’ from the album ‘HELLO Chapter 1. Hello Stranger’ as the song has captivated its audience worldwide, opening its first chapter of the extraordinary universe as its debut.