rLok, 10 months ago Mamamoo+ (Solar and Moonbyul sub-unit) have announced an August comeback: https://www.soompi.com/article/1599012wpp/solar-and-moonbyuls-unit-group-mamamoo-announces-august-comeback
Mamamoo+ (Solar and Moonbyul sub-unit) have announced an August comeback: https://www.soompi.com/article/1599012wpp/solar-and-moonbyuls-unit-group-mamamoo-announces-august-comeback