He made his writing debut in the popular Japanese cult filmBattle Royale, which his father directed. He wrote the screenplay to the sequel, Battle Royale II: Requiem, and took over directing when his father died of cancer. The film was released in Japan during the winter of 2003.
He has since directed two more films. In 2005, he directed a film called Under the Same Moon(同じツキみている,Onaji tsuki o miteiru?) which starred Battle Royale's Taro Yamamoto. His adaptation of the mangaSukeban Deka was released in 2006, under the title Yo-Yo Girl Cop. He also directed horror film X-Cross.