The group OH MY GIRL YooA is performing at the showcase commemorating the release of their first full-length album, "The Fifth Season," held at the K-Art Hall in Olympic Park, Bangi-dong, Seoul, on the afternoon of the 8th.
About OH MY GIRL
Oh My Girl is a South Korean girl group formed by WM Entertainment. The group is composed of six members: Hyojung, Mimi, YooA, Seunghee, Yubin and Arin.
 Wikipedia