Thespakusatsu Gunma
Aoki was born in Takatsuki on 19 August 1984. After graduating from high school, he joined his local club Gamba Osaka in 2003. However he could hardly play in the match. He moved to JEF United Chiba in 2008. Although he became a regular player, the club was relegated to J2 League end of 2009 season. His opportunity to play decreased from 2012 and he moved to Roasso Kumamoto in August 2013. He moved to Thespakusatsu Gunma in 2014. His opportunity to play decreased in 2016 and retired end of 2016 season.