CLASS:y (Hangul: 클라씨; Katakana: クラッシー; also stylized as 'CLASSy ') is a South Korean girl group formed through the MBC reality competition show My Teenage Girl under K Tigers ENC. The group consists of seven members: HYUNGSEO (형서), CHAEWON (채원), HYEJU (혜주), RIWON (리원), JIMIN (지민), BOEUN (보은) and SEONYOU (선유). They officially debuted on May 5, 2022, with the extended play EP "CLASS IS OVER". Group Name Meaning: Read more on Last.fm