How many movies have Atsushi Muroga and Shun Sugata collaborated on?

They have worked on 6 movies together! Their first movie together was Blowback: Midnight Gangsters (1990) while their highest rated movie together was Dogfight: Stray Dogs' Elegy (2000). They have not worked together since Wangan Midnight: The Movie (2009). They are most known for their action films together.