The girls seem to have put their cute, bright image aside for this comeback, choosing to wear black dresses and serious expressions instead of frilly dresses and bright smiles. Their makeup is more intense than usual, and the concept seems a little retro.

Their label said, "A Pink's poster photo will be released to 40,000 fans who buy their album. They've recently finished their filming, and now they're on their final stages of the comeback."

The girls will be coming back on the 31st, so stay tuned!