CIX

CIX, an acronym for “Complete In X,” debuted on July 23, 2019, under C9 Entertainment with their first EP, “Hello Chapter 1: Hello, Stranger.” The group initially consisted of five members: BX, Seunghun, Yonghee, Hyunsuk, and Bae Jinyoung. Their debut EP, featuring the lead single “Movie Star,” achieved commercial success, selling 70,000 copies within two months. Just six days after their debut showcase, CIX secured their first win on “The Show,” marking one of the fastest K-pop acts to achieve this milestone. Later in 2019, CIX expanded their reach by signing with Warner Music Japan and released a Japanese version of their debut EP, followed by their second Korean EP, “Hello Chapter 2: Hello, Strange Place,” which addressed social issues among youth.

Over the following years, CIX continued to build a distinctive discography. In 2020, they released their first Japanese single, “Revival,” and their third Korean EP, “Hello Chapter 3: Hello, Strange Time.” The group faced a temporary setback when member Bae Jinyoung sustained an injury, leading to a postponement of their album release. They introduced their fourth EP, “Hello Chapter Ø: Hello, Strange Dream,” in February 2021, and their first studio album, “OK Prologue: Be OK,” in August of the same year. CIX also contributed the ending theme “Win” for the anime “The God of High School.”

CIX began extending their global presence with their first concert series, “Rebel,” in 2022, followed by a world tour, “Save Me, Kill Me,” in 2022-2023, spanning Europe and the United States. In March 2022, they released their first Japanese studio album, “Pinky Swear.” A significant shift occurred in August 2024 when Bae Jinyoung departed the group to pursue a solo career, leading CIX to reorganize as a four-member act with BX, Seunghun, Yonghee, and Hyunsuk. They embraced this transition, releasing their eighth EP, “GO Chapter 1: GO Together,” in September 2025, which introduced a new narrative series focusing on themes of salvation and resolution.