ZONE

Artist

ゾーン

ZONE was an all-female Japanese music group who captivated listeners with a youthful, band-style image and an aura of bright, fleeting adolescence. Built around crisp guitar sounds and instantly hummable melodies, their songs became anthems of early-2000s teen nostalgia in Japan, with hits like "Secret Base ~Kimi ga Kureta Mono~" resonating far beyond their initial release. Their wholesome yet energetic presentation helped redefine what a girl group could look like in the J-pop scene of the era, paving the way for later female bands. In anime, they provided the theme song "true blue" for Astro Boy: Tetsuwan Atom, the 2003 Osamu Tezuka remake, using their driving rock sound to amplify the story's spirit of hope and forward motion. The track's urgent tempo and heartfelt vocals captured the young robot hero's yearning to find his place in the world. ZONE's music remains a touchstone for fans who grew up on that era of J-pop.