is a Japanese film director and screenwriter. He is known for his action and yakuza films, including ' (1995), Junk (2000), and the Gun Crazy series (2002âÂÂ03), as well as for directing ' (2009), a film adaptation of the manga series of the same name.
Muroga was born on 18 May 1964 in Osaka Prefecture, Japan. He attended the School of Commerce at Meiji University.
In 1987, Muroga's independently produced work HELP ME! won the Grand Prix at the Business Jump Video Awards sponsored by Shueisha. He made his directorial debut with the direct-to-video film Blowback: Midnight Gangsters (1990), followed by Blowback 2 (1991). His first theatrically released film was the action film ' (1995), distributed by Shochiku. In 2000, Muroga wrote and directed the zombie film Junk.