The title of their song reads "Doogeun Doogeun" or "Pitapat", signifying the beating of the heart. The MV teaser last time left us hanging with showing us only the silhouettes of the girls, but now we're treated to more details including the starring of Jo Kwon!

So get ready to welcome BESTie into the scene on the 12th, but in the meantime, check out the MV teaser above!