CIX dropped the MV teaser for "458". 

On August 14 at midnight KST, the boys of CIX gave a sneak preview of their comeback concept through the "458" MV teaser. As previously announced, 'OK Episode 1: OK Not' features 4 new tracks including "Without You," "458," the title track, "Bend the Rules," and "Drown in Luv."

Meanwhile, CIX will be back with 'OK Episode 1: OK Not' on August 22 at 6 PM KST.