Tag Archives: ken hirai

Oricon Flashback: Week of 6/29

Ken Hirai Releases Music Videos on YouTube to Celebrate His 25th Anniversary

Ken Hirai & Aimyon Release Surreal Music Video for “Kaibutsu-san”

Ken Hirai and Aimyon Join Forces for “Kaibutsu-san”

Oricon Flashback: 2004 Year End Chart

Oricon Flashback: Week of 12/9

Ken Hirai to Release New Single “#302”

Ken Hirai, Alice, and Ayaka Hirahara Perform on Music Fair for November 23