A Certain Killer

A former American G.I. joins a yakuza family after his release from prison in post-World War II Osaka.

In the teeming black markets of postwar Japan, Shozo Hirono and his buddies find themselves in a new war between factious and ambitious yakuza.

A lethal assassin for a secret Chinese organisation, who sheds tears of regret each time he kills, is seen swiftly and mercilessly executing three Yakuza gangsters by a beautiful artist. She is captivated by the grace of his kill and later falls in love with him. An intense power struggle for the leadership of the Yakuza Clans ensues as they seek vengeance for the death of their leader.

After yakuza boss Kurata dissolves his own criminal empire, a rival kingpin offers a position to Kurata's top operative, Tetsuya "Phoenix Tetsu" Hondo. When the fiercely loyal Tetsu declines, Otsuka taps unstoppable Tatsuzo the "Viper", a ruthless gun-for-hire, to assassinate him. As the Viper trails his target through the countryside, the agile Phoenix Tetsu grows concerned that one of his former associates has betrayed him.

When George Tanner does business with high-ranking Yakuza Tono, Tono kidnaps his daughter, and George summons his old friend, private eye Harry Kilmer, to Japan to investigate.

Eddie Kenner is given a special assignment by the Army to get the inside story on Sandy Dawson, a former GI who has formed a gang of fellow servicemen and Japanese locals.

When a mysterious stranger muscles into two rival yakuza gangs, Tokyo's underworld explodes with violence.

Five men plot to steal a large sum of money from the local yakuza, but everything does not go as planned and the men find themselves hunted down by contract killers.

Repeatedly beat to a pulp by gamblers, cops, and gangsters, lone wolf Shoji Yamanaka finally finds a home as a Muraoka family hitman and falls in love with boss Muraoka's niece. Meanwhile, the ambitions of mad dog Katsutoshi Otomo draws our series' hero, Shozo Hirono, and the other yakuza into a new round of bloodshed.

After botching his latest assignment, a third-ranked Japanese hit man becomes the target of another assassin.

Shozo Hirono has managed to separate from the Yamamori family and create his own small family, and extend his circle of acquaintances. These new friendships include a powerful underboss of the Muraoka family, Noboru Uchimoto.

Kei Kikuno attends a vocational school as a student. For her part-time job, she works as a contract killer. She is excellent at her job and never gets scared by anyone. One day, she receives the most challenging request.