It was previously announced that MAMAMOO's Solar and Moon Byul will be releasing a new album as a unit for the first time. 

Under the name of MAMAMOO+ (MAMAMOOPlus), Solar and Moon Byul will be releasing new music as a duo. On August 24 at midnight KST, the two idol group members released a spoiler teaser photo where they are seen enjoying the Pirate Ship ride with a mysterious featuring artist.

MAMAMOO+ will be making their unit debut on August 30 at 6 PM KST. So stay tuned for more information!