AOA 1st Concert [Ace of Angels] in Seoul (NaN)

The 2017 AOA 1st Concert [Ace of Angels] was a concert held by the South Korean girl group AOA in Seoul on March 11, 2017, at the Olympic Hall in Olympic Park. This was their first standalone concert in South Korea, taking place after the release of their first full-length album, Angel's Knock, in January 2017.