KBS Music Bank rehearsal was held at KBS in Yeouido, Yeongdeungpo-gu, Seoul on the morning of the 19th.
The DIA cotton has the photo time.
About DIA
DIA is a South Korean girl group formed by MBK Entertainment. The group is currently composed of six members: Eunice, Jueun, Huihyeon, Yebin, Chaeyeon and Eunchae.
 Wikipedia