Hyeju and Riwon’s separate teaser images from CLASS:upcoming y’s second mini-album, “Day & Night,” have been released.

CLASS:second y’s mini-album, “Day & Night,” will mark their return.

On October 14 at midnight KST, the girls released a fresh batch of individual teasers for Hyeju and Riwon. Hyeju and Riwon both display their charisma in the most recent teaser images as they get ready for the group’s comeback.

On October 26, CLASS:y will release the CD and music video for their second mini-album, titled “Day & Night.”