Singer-songwriter eSNa will be promoting with MAMAMOO during their comeback.

After unveiling a teaser photo that made MAMAMOO fans play a guessing game, the ladies finally unveiled the person that eSNa will collaborate with them during their promotions.

eSNa will promote with the MAMAMOO members on the various network music programs an perform the upcoming single titled, "AHH OOP." 

MAMAMOO will officially make their on-stage comeback on the Thursday episode of Mnet's M! Countdown.

MAMAMOO is a hot rookie group who are signed with record label WA Entertainment. MAMAMOO consist of members Moonbyul, Solar, Hwasa, and Wheein.

While you wait for their full music video to be released, check out their teaser.