AOA( Korean :에이오에이; an acronym forAce of Angels) is a South Korean idol girl group and band, produced by FNC Entertainment . The five-member band consists of Choa , Jimin , Yuna , Youkyung and Mina , and the seven-member idol group consists of all the members except Youkyung. The group debuted on July 30, 2012, with their single albumAngel's Story.