Biography
H1-Key (; Korean: 하이키; RR: Haiki; read as High-key; stylized as H1-KEY) is a South Korean girl group formed and managed by Grandline Group (GLG) and Sony Music Korea. The group is composed of four members: Seoi, Riina, Hwiseo and Yel. Sitala left the group on May 25, 2022, and Hwiseo was introduced as a new member on June 14, 2022. They made their debut with the release of their first single album, Athletic Girl, on January 5, 2022.