CSR (group)

CSR (; Korean: 첫사랑; RR: Cheotsarang; lit. 'First Love') is a South Korean girl group formed and managed by A2Z Entertainment. The septet—consisting of members Sua, Geumhee, Sihyeon, Seoyeon, Yuna, Duna, and Yeham—was at the time of debut composed entirely of 17-year-olds, a first time in the K-pop industry. They made their official debut on July 27, 2022, with the release of their first extended play (EP) Sequence: 7272.