He started playing base when he was about 18. Before that he had dreams of becoming a guitarist. He gave up when he discovered that playing bass was easier because it only has four strings.
His musical career started as the bassist of "Three Eyes Jack" from 1993 to 1995 under the name "chacha maru"(ちゃちゃ丸). Around Fall of 1995 Rikiji (already using his name) joined up Mega8Ball, band where as well show up the vocalist/guitarist Takano Tetsu (ex-Malice Mizer, ex-Zigzo, NIL). The band later disbanded and had it's last live on December 29th of 1997 upon which time Rikiji immediately joined Oblivion Dust in January of 1998. Then, in December of 2000, he left the band and in early 2001 reformed Mega8Ball, being Rikiji the only original member to stay with the band until those days.