Toshiyuki is a Japanese musician known for his work in the visual kei scene. He gained recognition as bassist for Distray during the late 1990s, contributing to the band's sound from 1998 to 1999. Following this period, he expanded his musical pursuits by joining alternative rock projects Radifia and アギト, establishing himself as a versatile bassist within Japan's underground music community.
His work spans the intersection of visual aesthetics and rock instrumentation, contributing to the evolution of Japan's visual kei movement during a formative period in the genre's development.