ZE:A's second subunit, ZE:A4U, who recently made their Japanese debut, have unveiled a whole gallery of fun photos that you can add to your collection!

So go right ahead and save as Junyoung, Kwanghee, Heecheol, and Taeheon give their thumbs up in approval.

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For more photos, check out their official Facebook, and scroll down to give "Oops" a listen below, if you haven't heard it before!

Oops

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