There are at least four artists with this name.
(an acronym for Ace of Angels) is a South Korean idol girl group signed under FNC Entertainment. AOA
debuted as an eight-member band that consists of Choa, Jimin, Yuna, Youkyung, Chanmi, Hyejeong, Seolhyun, and Mina. Currently, AOA
is promoting as a seven-member idol group without Youkyung, who is only a part of AOA
Black. The group officially debuted with their first single album Angels' Story, released on July 30th, 2012.