[2] He continued to experiment with electronic music,[1] and in 2001 he released his first album Silicom through the independent Japanese label Progressive Form.

He released a further three albums with Progressive Form until 2004,[3] and one on musician Yoshihiro Hanno's personal label, Cirque Records, in 2003.

[2] In 2004 he relocated from Osaka to France,[2] to work with singer Tujiko Noriko to create the album 28 while there.

[1] Aoki originally began collaborating with Tujiko in 2002, when the pair collaborated musically by sending CDs in the mail between Osaka and Paris, where Tujiko was based, and decided to move there to further the project.

[5] In January 2016, Aoki released Reflects, a collaboration with Sakanaction member Ichiro Yamaguchi, featuring music they co-composed for the fashion brand Anrealage's show for Paris Fashion Week.