DKZ's Mingyu and Jonghyeong are only days away from their sub-unit debut!

On May 25 KST, the group's agency unveiled teaser images of both of the members as they continue the countdown until their debut as sub-unit NINE TO SIX. In the teasers, the two seem summer ready, dressed in brightly colored clothes as they enjoy some outdoor activities together.

Meanwhile, NINE TO SIX's debut single album 'GOOD TO YOU' is set for release on May 31.

Check out the teaser images below!