On the 22nd, My Daily reported that Solar and Moonbyul formed MAMAMOOŌĆÖs first unit group and will make their debut later this month. MAMAMOOŌĆÖs label RBW responded, ŌĆ£Solar and Moonbyul are preparing a unit album. The exact release date and specific details about the new album will be announced soon.ŌĆØ This is MAMAMOOŌĆÖs first unit group. Back in 2016, Solar & Wheein and Moonbyul & Hwasa each formed two unit groups ŌĆō a vocal group and a rapper group ŌĆō for their concert and even released albums, but that was more of a special event for fans. Solar and Moonbyul are nicknamed ŌĆ£Yong-kong-byul-kongŌĆØ among the fans. And since both artists are well-known for their musical prowess, attention focuses on the official debut of the two as a group. Source (1)