BDC, a South Korean trio formed by Brand New Music in 2019, comprises Kim Si-hun, Hong Seong-jun, and Yun Jung-hwan. Initially part of Mnet survival television program Produce X 101, the trio attracted widespread attention despite being eliminated. Their music journey began in October, 2019 with the release of their special single album, Boys Da Capo, featuring the track "Remember Me," which reached number 10 on the charts, however their official debut came on September 23, 2020, with the EP The Intersection: Belief, featuring the lead single "Shoot The Moon," peaking at number 9. Following that, they released two more EPs: The Intersection: Discovery on March 8, 2021, and The Intersection: Contact on June 30. Expanding their presence, BDC made their Japanese debut on October 1 with Moon Walker, preceded by the title song co-written by Kim Si-hun. After a 10-month hiatus, BDC made a comeback on June 15, 2022, with the single album Blue Sky reaching number 33 on the charts.
