It's been revealed that MAMAMOO will have a short promotion for their latest single 'AH OPP!', but fans don't be sad just yet cause the girls are storing a surprise for you.

According to the agency, MAMAMOO will promote 'AH OPP!' for only 2 weeks as it is served as a prelude to their full comeback promotion with second mini album to be released in May.

'AH OPP! was released on April 2nd and has attracted much attention thanks to its retro sound and the featuring of eSNA, who also participated in the lyrics writing, composing and producing of the song.

If you haven't listened to the song yet, check out the MV below