SEUNGHUN
Main vocalist whose long trainee period preceded CIX and later expanded into the project vocal group B.D.U.
Profile Reference
Main vocalist whose long trainee period preceded CIX and later expanded into the project vocal group B.D.U.
Pre-debut Background
Long trainee period
Public profile references describe Seunghun as a long-term trainee who spent time at YG Entertainment before moving to C9 Entertainment.
YG Treasure Box
He appeared on YG Treasure Box during his pre-debut period and later left YG after not joining the final debut lineup.
Vocal focus
CIX’s official profiles identify Seunghun as the group’s main vocalist, and live performance remained a central part of his career.
B.D.U
In 2024 he joined the project vocal group B.D.U after competing on Build Up: Vocal Boy Group Survivor.
Individual Career Milestones
CIX debut
Debuted as CIX’s main vocalist.
Acting activity
Expanded into screen work through Turn The Street.
Build Up and B.D.U
Competed on Build Up and debuted in the project vocal group B.D.U.
Final CIX album cycles
Participated in THUNDER FEVER and GO Chapter 1: GO Together.
C9 contract ended
His C9 Entertainment contract concluded as CIX stopped team activities.
Individual Achievements & Credits
Main vocalist
Built his CIX identity around live singing and main-vocal responsibilities.
B.D.U
Extended his music career beyond CIX through the vocal project group formed in 2024.