Lee Gi Kwang (Korean: 이기광, Hanja: 李起光; born on March 30, 1990) is a South Korean idol, singer, dancer, actor and occasional rapper. He was a solo singer under Cube Entertainment, also known by his stage name as "Ace Junior" (AJ) when he debuted. He released his first Mini Album "First Episode A New Hero" which features the works of the famous composer Brave Brothers. He is now a member of Beast.
