9mm Parabellum Bullet is a rock band from Yokohama, formed in 2004 and known for blending punk, hardcore, and alternative rock elements with intense energy. The band includes Takuro Sugawara (vocals and rhythm guitar), Yoshimitsu Taki (lead guitar and backing vocals), Kazuhiko Nakamura (bass and screams), and Chihiro Kamijo (drums). They have a unique sound that combines fast-paced guitar riffs with powerful drumming, often exploring themes of existentialism and social commentary in their lyrics.