[Throwback] APRIL's Naeun and Chaewon Show Off Cute Midriff Looks Ahead of 'Idol on Quiz'

Naeun (left) and Chaewon of the group APRIL pose for cameras as they head into the studio to attend a taping of "Idol on Quiz" at KBS in Yeouido-dong, Yeongdeungpo-gu, Seoul, on the afternoon of October 5.
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