Jun is here with his teaser for "Under Cover."

A.C.E is coming back with the 2nd mini album. Based on the teasers so far, A.C.E chose a fierce, tough guy concept for the new release. The strong look continues in Jun's individual MV teaser, where he captivates with his powerful blue eyes. 

"Under Cover" is scheduled to drop on May 17. In the meantime, enjoy the new teaser above.