Acidman is Nobuo Oki (Vo & G) Masatoshi Sato (B) and Ichigo Urayama. Their songs explore themes of life and universe, capturing the world in epic poetry. Their sound weaves in moments of calm, contrasted by intense, high energy rock. Acidman continues to expand the possibilities of a three piece rock band. The origins of Acidman date back to 1997, where the members met in Saitama, during high school. Originally a four member band, their vocalist quit and Oki filled in as lead singer.