AOA Seolhyun sings at a showcase held at Yes 24 Live Hall in Gwangjang-dong, Seoul on the afternoon of the 28th.
The mini-fifth album "Bingle Bangle" (BINGLE BANGLE), restructured into a six-member group, by AOA (Jimin Yuna Hye-jung Minah Seolhyun Chan Mi), is a song that gives a refreshing sound of summer with a cheerful whistle.