aj

AJ (Real Name: ???, Pronounced "Lee Gi Kwang") was a solo-artist under Cube Entertainment. He began his singing career training under JYP Entertainment for four years, but was then transferred to their sister entertainment company, Cube Entertainment, where he debuted with his first mini-album, First Episode A New Hero, in April of 2009. He began promotions for the mini-album with the song "????" (Dancing Shoes), and followed up promotions with "??? ??" (Wipe The Tears).

The mini-album also contained the song "2009", which featured 4Minute member, ??, who also appeared in the music video for "????".

A few months after AJ finished promotional activities for his mini-album, he debuted in the Cube Entertainment boy group, B2ST, where he is known by his real name, ???.