Shinji and Masaru spend most of their school days harassing fellow classmates and playing pranks. They drop out and Shinji becomes a small-time boxer, while Masaru joins up with a local yakuza gang. However, the world is a tough place.

Masaki, a baseball player and gas-station attendant, gets into trouble with the local Yakuza and goes to Okinawa to get a gun to defend himself. There he meets Uehara, a tough gangster, who is in serious debt to the yakuza and planning revenge.

When young protege Akira Kageyama is bitten by his dying vampire boss, Genyo Kamiura, he must get used to his new powers before seeking revenge.

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.

The plot opens with the hero (Tsuruta) leaving prison, having served time through taking the blame for a fellow gang member’s crime. However, his former gang boss seems to have gone to seed, with people now killing each other and dealing in drugs. The hero then teams up with a lone operator (Tamba) who specialises in shaking down gangsters.

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Former yakuza underling Kazuma Kiryū has recently been released from prison after a lengthy incarceration and is trying to piece his life together and distance himself from his yakuza past. Unfortunately, Kiryū's problems slowly escalate as he is pursued by a former associate, the baseball-bat-wielding psycho Gorō Majima, who has a grudge to settle with Kiryū.

The head of the Tatsumi family falls ill and dies after requesting that his son, who disappeared 15 years ago, takes over. The Tatsumi family, including the young head Ryu, decides to search for his son's whereabouts in order to keep his will. They finally find his son and learn he is now a woman. Meanwhile, the hostile Honjoukai are plotting to steal the Tatsumi family's territory.

There is a man, who always win a mahjong game... His name is Ryu the Caller.

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

In Osaka, three troubled young kids, Kanako, Atsushi and Kenji, are hanging out together all the time. One day Kenji who lives in an orphanage is sold to a yakuza and their friendship has to come to an end. 25 years later, Kanako is married to Atsushi who is an incompetent yakuza. They have 3 daughters. Kenji is a competent unbeatable yakuza. Atsushi, who sucks at everything, for the first time gets a dangerous mission to kill a thug who has attacked the office of his yakuza group. Kenji, who has advanced to the first lieutenant position, by mistake kills a dumb-ass son of the head of Tokyo Yakuza, which triggers a battle between Osaka and Tokyo Yakuzas. Then, Kenji meets Atsushi in 25 years.

A group of cold-blooded killers find themselves trapped on an alien planet to be hunted by extraterrestrial Predators.