CSR

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CSR promoting "Sumgil Su Eobsneun Mamingeol" (2026)

CSR (첫사랑; Cheot Sarang) is a Korean pop girl group under POPMUSIC Entertainment.

Members

• Sua
• Geumhee
• Sihyeon
• Seoyeon
• Yuna
• Duna
• Yeham

Former

• Sona (Pre-debut)
• Christine (Pre-debut)
• Taehee (Pre-debut)
• Yoonjung (Pre-debut)
• Naeun (Pre-debut)
• Gaeun (Pre-debut)

Trivia

CSR promoting Sequence : 7272 (2022)

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CSR promoting "L'heure Bleue : Prologue" (2024)

• Official Fandom: Maeum (마음)
• The group was known as 05Class prior to their debut.

Korean Discography

Mini-Albums

• [2022.07.28] Sequence : 7272
• [2023.03.29] DELIGHT

Singles

• [2022.11.17] Sequence : 17&
• [2024.06.11] L'heure Bleue : Prologue

Digital Singles

• [2023.06.18] K-909 : Dolphin
• [2023.11.26] HBD To You (Midnight Ver.)
• [2023.12.17] HBD To You
• [2024.01.22] HBD To You (Sped Up Ver.)
• [2024.04.16] HBD To You (Jersey Club Remix)
• [2026.03.26] Sumgil Su Eobsneun Mamingeol (숨길 수 없는 맘인걸; It's a Heart I Can't Hide)

Japanese Discography

Mini-Albums

• [2024.07.03] L'heure Bleue

Awards

TV Music Shows

♡TiCON

• [2022.12.02] KBS Music Bank #1

External Links

• Official Fancafe
• Official Twitter
• Official Facebook
• Official Instagram
• Official TikTok
• Official YouTube