CIX is continuing to prepare for the release of the group's new EP, 'OK Episode 1: OK Not.' 

On August 19 at midnight KST, CIX dropped the music video teaser for the title track "458," where they displayed their intense charisma, fully shedding their boyish charms.

'OK Episode 1: OK Not' features four new tracks, including "Without You," the title track "458," "Bend the Rules," and "Drown in Luv."

Meanwhile, CIX's comeback with 'OK Episode 1: OK Not' is set for August 22 at 6 PM KST.