1974 The Street FighterWriter 1974 The Street Fighter's Last RevengeScreenplay 1975 New Battles Without Honor and Humanity 2: Head of the BossScreenplay 1976 New Battles Without Honor and Humanity 3: Last Days of the BossWriter 1977 Hokuriku Proxy WarScreenplay 1978 The Fall of Ako CastleScreenplay 1980 VirusScreenplay 1982 Onimasa: A Japanese GodfatherScreenplay 1982 Future War 198XWriter 1983 The GeishaWriter 1984 Fireflies in the NorthWriter 1985 Spring BellWriter 1986 Yakuza LadiesScreenplay 1987 Yakuza Ladies 2Screenplay 2005 Yakuza Ladies: Burning DesireScreenplay