CLASS:y is rolling out the teaser photos for their comeback with the 2nd mini-album, 'Day & Night.'

On October 12 at midnight KST, the rookie girl group dropped the first set of individual concept photos of members Boeun and Hyungseo. In the collection of photos, the two girls show off two different vibes reflecting the "Day & Night" concept of their new album.

Meanwhile, CLASS:y will drop the album and music video for their 2nd mini-album titled 'Day & Night' on October 26.