It was a mellow ballad with some hints of jazz. The single comes with a studio live version, a karaoke version, and a remix of "Voice." The music video was the first to show Nobuchika in color, rather than black and white.
It was a calm, melodic tune with some jazzy elements. The single features different versions, such as a live performance, karaoke, and a revised version of "Voice." The music video presented Nobuchika in full color, breaking away from its previous black-and-white format.