Unlike their previous, cute concept, the 7 sub-unit members -�Jeon So Mi,�Choi Yoo Jung,�Kim Chung Ha,�Kim So Hye,�Pinky,�Kim Do Yeon, and�Im Na Young - have donned on blonde wigs, white tees, and bright red lipstick for a striking teaser to get you all guessing!

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The sub-unit is set to debut this August 9! How do you like their new concept?�