CLASS:y is getting ready for their comeback with the 2nd mini-album, 'Day & Night.'

The girls released a new set of individual teasers for members Hyeju and Riwon on October 14 at midnight KST. In the latest teaser photos, both Hyeju and Riwon show off their charms as they get ready for the group's comeback.

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