CSR, also known as Cheotsarang (lit. First Love), is a South Korean girl group
managed by A2Z Entertainment. The group was formed when all members – Sua,
Geumhee, Sihyeon, Seoyeon, Yuna, Duna, and Yeham – were seventeen years old at
its debut. They launched their career in 2022 with the release of their first EP
Sequence: 7272. The debut single "Pop? Pop!" was accompanied by a music video
release and marked their entry into the K-pop scene. Shortly after, CSR achieved
their first music show win with the single "♡Ticon" from their single album
Sequence: 17& (2022). In March 2023, ...