He debuted with the visual rock band Meties in his hometown Tokushima, and at the same time started working for the independent record label Last Child.
After graduating and moving to Tokyo between 2000 and 2002 he has shortly been the vocalist of Isola.
In 2001 he formed the duo Rudolf Steiner (2) together with keyboardist and composer Hora.
In 2002 Rudolf Steiner signed a deal with Midi:Nette and changed name into Schwarz Stein. At the same time Hime changed his stage name into Kaya (6).