Rainbow's upcoming subunit,�Rainbow BLAXX�have revealed their next MV teaser, indicating the title track to be "Cha Cha"!

We got to hear a bit of the song yesterday with the audio preview of the album, and now we get to hear even more with this new teaser. The girls are leveling up the sexy factor with their black outfits as they snack on delicious macarons, testing fans' patience for their subunit debut.

So check out the newest teaser as you await the release on the 20th!!

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