CIX.

K-Pop

CIX (씨아이엑스) was a 4-member boy group managed by C9 Entertainment, featuring BX, Seunghun, Yonghee, and Hyunsuk. They originally debuted as a 5-member group on July 23, 2019, with their debut EP album, Hello’ Chapter 1. Additional background says that Hello, Stranger. The profile also notes that on August 4, 2024, C9 Entertainment announced the termination of Bae Jinyoung ‘s contract, confirming his departure from both the company and the group. On April 29, 2026, it was revealed that the group disbanded on April 30, 2026, after the contracts expired.