Core of Soul (formerly Core of Sun) was a Japanese pop/downtempo band. The group formed when Song met Nakamura and Iizuka at a school in Osaka. They disbanded March 24, 2006 after completing their Asian tour in Osaka.
Members
Fukiko Nakamura (中村 蕗子, Nakamura Fukiko; born March 14, 1983) - Vocals
Rui Song (ソン ルイ, Son Rui; born November 13, 1981) - Guitar and Bass, Beijing native
Keisuke Iizuka (飯塚 啓介, Iizuka Keisuke; born January 9, 1983) - Programmer