Sugiya (born November 7th in Hiroshima) is a visual kei bassist. He debuted with PlatinA Forest as SUGI in 1997. In 2001 PlatinA Forest disbanded and Sugiya became member of Vanilla as クロ・コスギ (Kuro Kosugi). He joined the band as a session bassist and became official member some time later. In 2003 Vanilla disbanded and Sugiya kept low profile, briefly playing support bass for KuRt and Kanoma's session band Ghost Mouse Club.
Since 2006 he is the bassist of Moi dix Mois.