Girl group DIA Jung Chae-yeon attends the Fan signing event to commemorate the release of the album 'Summer Ade' at Mokdong Broadcasting Hall in Yangcheon-gu, Seoul on the evening of the 17th.
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DIA Fan signing event
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