group MamaMOO Wheein attended a radio broadcast on KBS in Seoul Yeouido on the 13th.
About MAMAMOO
Mamamoo is a South Korean girl group formed by RBW in 2014, composed of four members: Solar, Moonbyul, Wheein, and Hwasa. The group officially debuted with their single "Mr. Ambiguous" on June 18, 2014.
 Wikipedia