한 CSR CSR (첫사랑) is a South Korean Girl Group that debuted in 2022. They consist of 7 members: Sua, Duna, Geumhee, Seoyeon, Sihyeon, Yeham and Yuna. Read All General Information International Stage Name : CSR Domestic Stage Name : Pronounce 첫사랑 Previous Stage Name : 05class Aliases : Cheos-Sarang Fanclub name : MAEUM Debut Day : 2022-07-22 (Active) Company/Agency : A2Z Entertainment (A2Z 엔터테인먼트) Members 20222023202420252026 SuaDunaGeumheeSeoyeonSihyeonYehamYuna Sua (수아) Full Name: Yoo Sua Date of Birth: 2005-07-23 (21 years) Zodiac sign: Leo Country: South Korea Active period: 2022-present Role: Leader,Vocal Duna (두나) Full Name: Kang Duna Date of Birth: 2005-04-28 (21 years) Zodiac sign: Taurus Country: South Korea Active period: 2022-present Role: Vocal Geumhee (금희) Full Name: Han Geumhee Date of Birth: 2005-03-04 (21 years) Zodiac sign: Pisces Country: South Korea Active period: 2022-present Role: Vocal Seoyeon (서연) Full Name: An Seoyeon Date of Birth: 2005-03-26 (21 years) Zodiac sign: Aries Country: South Korea Active period: 2022-present Role: Vocal Sihyeon (시현) Full Name: Hwang Shyeon Date of Birth: 2005-03-12 (21 years) Zodiac sign: Pisces Country: South Korea Active period: 2022-present Role: Vocal Yeham (예함) Full Name: Koo Yeham Date of Birth: 2005-10-07 (20 years) Zodiac sign: Libra Country: South Korea Active period: 2022-present Role: Vocal,Maknae Yuna (유나) Full Name: Iimura Yuna Date of Birth: 2005-04-23 (21 years) Zodiac sign: Taurus Country: Japan Active period: 2022-present Role: Vocal,Dancer Metrics and Achievements Success(max 5 stars) : Time since last release : (2026-03-26) Time to Success : 133 Days PAKs : 0 Music Show Awards2006+ : 1 Most Awarded Song: ♡TiCON Annual Awards : 0 Streaming Weekly Score(Since 2010) : Never ranked in top 100 Billboard weekly Score(Since 2020) : Never ranked in top 200 Physical Sales (Circlechart) : 48.814+ (All data available) Most sold item : DELIGHT with 17.415+ sold copies Total Youtube Views : 23.170.729+ Brand Physical Sales : 48.814+ Brand Views : 23.176.498+ Images No images yet