CSR (첫사랑/Cheos-Sarang) is the latest girl group debut under POPMUSIC Entertainment. Consisting of Sua, Sihyeon, Yuna, Seoyeon, Duna, Geumhee and Yeham, CSR is debuting with the EP ‘Sequence: 7272‘. Their concept is “a class of young girls who were born in 2005”, and for this debut mini-album they are diving into the feelings of the first love at 17. Let’s listen to the music. ...