CLASS:y

About

7 member girl group formed through the MBC survival show, My Teenage Girl. They formed under the joint banners of M25 for Korean promotions and Universal Music Japan. 

Trivia

They made their debut with the release of their mini-album Y: CLASS IS OVER. 

Members

The group consists of Hyungseo, Chaewon, Hyeju, Riwon, Jimin, Boeun and Seonyou.