MAMAMOO is gearing for their group comeback with the 12th mini-album 'MIC ON.'

In the latest teaser photos released on September 28 at midnight KST, the girls posed in front of the camera dressed in casual outfits, each displaying their own charms.

The girls of MAMAMOO will be preparing for their comeback as a whole group on October 11 with a brand new mini-album. So stay tuned for more teasers and information.