Malice Mizer
In 2002, Közi collaborated with Japanese author Minako, to provide the soundtrack to her book, "Izayoi no Tsuki". He then performed a special singing event, which cemented the fact that he was following a solo career. Közi's first solo release was the two-disc, double-single package, "Khaos/Kinema", released on November 1, 2003. On March 11, 2004, he released his debut album, "Catharsis". Közi's second single, "Memento", was released on December 1, 2004. The song is dedicated to deceased Malice Mizer drummer Kami and was written by Malice Mizer bassist Yu~ki. On May 17, 2006, Közi released his second album, "Loki N' Roll".