The Return of Sister Street Fighter (1975)

Two feuding brothers (one a policeman, the other a martial arts expert) of different political views, join forces to avenge the death of their father, a retired agent, killed by the mafia.

Brazilian-Japanese gangster Mario rescues his Chinese girlfriend Kei as she's about to be deported from Japan. Desperate to escape, he hides in Tokyo's booming Japanese-Portuguese community and seeks passage from the country from a Russian mobster. To meet his price, they hold up a bigtime drug deal between the Chinese Mafia and the local Yakuza.

A few years after his breakthrough, Sanshiro resumes his path to judo mastery—testing his discipline against an American prizefighter and later facing vengeful karate brothers. As rival schools and public spectacle push him toward violence, he must reconcile strength with restraint and the true spirit of his art.

A Japanese assassin stranded in Taiwan must take work from a local crime boss to make ends meet when suddenly a woman from his past delivers a son to him.

Long is a Taiwanese killer known for his sword skills. After Long fails a Tokyo mission, he moves to a small town where no one knows about him.

His name is Baki Hanma. No one knows where he came from or where he learned his unique fighting style. When it comes to Karate, Baki Hanma is just plain GOOD. He can defeat an opponent with a single blow and he's taking the Karate Championship by storm. In a prestigious match, he defeats competitor after competitor even though he's totally unknown and barely even ranked. But now he's in for the fight of his life and he may have just met his match. Anything goes and his opponent can rip his nerves out -- literally. If he wins, he's the BEST. If he loses... he's DEAD.

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.

Ocho is accidentally captured by a drug trafficking cartel who use Chinese women to smuggle drugs into Japan by hiding it in their vaginas. She is tortured, and manages to escape, fighting both the male yakuzas and a gang of female thieves.

In an underground fight club, blackbelt Travis Brickley is killed after losing to the evil martial arts master Brakus. Travis' death is witnessed by Walter Grady, the son of his best friend Alex Grady. Alex and his partner, Tommy Lee, vow to avenge their friend's death by defeating Brakus and shutting down the fight club.

Martial artist Takuma Tsurugi returns to take on a Yakuza family that may be embezzling money from charities to finance their own operations. Both the police and the Yakuza find themselves battling Tsurugi, but Tsurugi's fight ultimately is with the mob, and he concentrates on them.