DAY6's unit Even of Day is preparing to make their debut with their upcoming mini-album.

Previously, Even of Day released the tracklist book for 'The Book of Us: Gluon - Nothing Can Tear Us Apart'. Now they released the teaser photos of member Young K. In the photos, Young K poses in front of various backgrounds as he shows off different concepts. The first two teaser photos, he poses in front of a moon while in the third photo, he is seen lying on a bed of water.

DAY6's first unit group will officially drop their album and MV on August 31st at 6 PM KST. So stay tuned for more teasers to come!