CIX is a South Korean boy band formed by C9 Entertainment in 2019. The group consists of five members: BX, Seungwoo, Sungjun, Hyunsuk, and Bae Jinyoung. They debuted with the EP titled "Hello, Stranger," showcasing a blend of pop and hip-hop music styles. The name "CIX" stands for "Complete in X," symbolizing the group's goal to complete their music and performances with diverse concepts. Since their debut, CIX has gained popularity for their engaging songs and dynamic choreography, participating in various music shows and events in South Korea and internationally.