After seven singles and three albums with Morning Musume (and another four singles and one album with Tanpopo), Ishiguro left the group in January 2000, shortly after their first megahit single "Love Machine" in September 1999.
After seven singles and three albums with Morning Musume (and four singles and one album with Tanpopo), Ishiguro left both groups and Hello! Project in January 2000, shortly after the release of the single "Love Machine" in September 1999.