9mm Parabellum Bullet , Kyūmiri Paraberamu Baretto) is a Japanese rock band, formed in March 2004 in Yokohama.
It consists of vocalist and rhythm guitarist Takuro Sugawara, guitarist and backing vocalist Yoshimitsu Taki, bassist Kazuhiko Nakamura, and drummer Chihiro Kamijo, who came up with the band's name. Piano pieces included in some songs are performed by Taki, while the characteristic shouts are provided by Nakamura.
Yokohama's Four-member rock band 9mm Parabellum Bullet revealed they will be releasing a brand-new album titled Deep Blue which will be released September 9 2019. Deep Blue comes two years after 9mm Parabellum Bullet’s last album Babel. The new album will also serve as a celebration for the band to commemorate their being together for fifteen years.