BX
Leader, rapper and songwriter whose pre-debut path included YG training and survival-show experience before CIX.
Profile Reference
Leader, rapper and songwriter whose pre-debut path included YG training and survival-show experience before CIX.
Pre-debut Background
Pre-debut training
BX trained at YG Entertainment before joining C9 Entertainment. Public profile references also document appearances on MIXNINE and YG Treasure Box before his CIX debut.
Rap and songwriting
From CIX’s early releases onward, BX developed a role that extended beyond performance into lyrics and composition.
CIX leadership
He debuted as CIX’s leader in 2019 and remained the group’s central rap and leadership figure through the four-member era.
Creative growth
By the 2025 GO Chapter 1: GO Together era, BX had songwriting and composition credits across multiple tracks, including the title track.
Individual Career Milestones
CIX debut
Debuted as leader and rapper with HELLO Chapter 1: Hello, Stranger.
Four-member transition
Continued as CIX’s leader after the group reorganized as four members.
THUNDER FEVER
Participated in CIX’s seventh EP and the quartet’s first full release cycle.
GO Chapter 1: GO Together
Contributed lyrics and composition to the album, including the title track “WONDER YOU.”
C9 contract ended
His exclusive contract with C9 Entertainment concluded as CIX stopped team activities.
Individual Achievements & Credits
GO Chapter 1: GO Together
Album credits list BX on lyrics for “S.O.S” and “UPSTANDER,” and on both lyrics and composition for the title track “WONDER YOU.”
CIX
Led CIX from the group’s 2019 debut through the conclusion of team activities in 2026.