SOULHEAD is a Japanese urban contemporary duo consisting of sisters Yoshika (よしか, , born 20 July 1978?) and Tsugumi (つぐみ, , born 25 January 1980?) who hail from Hokkaido. The duo is signed to Sony Music Associated Records (Japan), a division of the Japanese branch of Sony, who also sent them one year abroad to Australia and New Zealand to improve their skills in English. They released their debut single "STEP TO THE NEW WORLD" on 24 July 2002 as a vinyl 12" single.