His breakthrough success was the EP Mizérable, which peaked at number 2 on the Oricon albums chart.

[1] In 2007, his entire back catalogue, with live song recordings from Drug Party tour, was released on the iTunes Store, video collection "The Greatest Filmography" was released in the United States and Canada, and his album Diabolos was released in 18 European countries.

[2][3][4] From November 2008 until March 2010 his records were released under his own independent label Dears, but still supported by Nippon Crown.

Since February 2014 they're released by his independent record label G&Lovers, which is supported by Crown Tokuma.

As a solo artist, since 2009 are reported sales of over 10 million,[5] and holds the male soloist record for most top ten consecutive chart singles as of July 18, 2011.