As a singer, Haruko started on 2000, releasing her first single called Mail Me, and as of current, Haruko has done 13 albums, and has also provided music lyrics for many groups. As a voice actress, Haruko started on 2001 where she got also her first lead role on "Final Fantasy: Unlimited" as Ai Hayakawa, and still currently voices. Haruko also performed a cover of I'll Go As "Myself" on the Pretty Guardian Sailor Moon: THE 20TH ANNIVERSARY MEMORIAL TRIBUTE.