Ryuzo Saki

Iwao Enokizu is a middle-aged man who has an unexplainable urge to commit insane and violent murders. Eventually he is chased by the police all over Japan, but somehow he always manages to escape. He meets a woman who runs a brothel. They love each other but how long can they be together? (imdb)

A middle-aged former yakuza is released from prison after thirteen years where he was placed for murder. He is struggling to adapt to society and freedom, find a job and communicate normally, but he is also preoccupied by the quest for his mother from whom he was separated as a child. He finds allies in his search for his parent and a place in mainstream society, but the process is not seamless or smooth. (imdb)

Kono Takeshi has given up work as an electrician to run a gift shop business with his partner/mistress Rieko, who's a couple of years older than him. When the company faces bankruptcy Kono wants to quit, but Rieko strings him along with the promise of a large cash investment, the proceeds of a real-estate deal. Her actual plan to raise the money is to kidnap a young woman and demand a ransom for her release. The trouble is, that it never occurs to her to keep the victim alive before trying ...

After a promising young boxer is brutally murdered by a gang of Okinawa yakuza, the boxer's older brother, Ryo, travels to Okinawa for revenge. Two unlikely companions join him on his quest for vengeance: Max, a disabled Vietnam War veteran, and Reiko, his dead brother's girlfriend.