DIA Jung Chae-yeon poses at the B-anti-Collegione pop-up store opening Event held at the Lotte Department Store in Sogong-dong, Jung-gu, Seoul on the afternoon of the 12th.
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