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.

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.

The story deals with a juvenile delinquent gang surviving through petty thievery. However, everything gets screwed up when they accidentally steal big bucks from the Yakuza.

When a tough yakuza gangster is betrayed by his bosses, it means all out war. Bodies pile up as he takes out everyone in his way to the top in a brutal quest for revenge.

Five years after the all-out war between the Sanno and Hanabishi crime families, former yakuza boss Otomo works in South Korea for Mr. Chang, a noted fixer. When tensions rise between Chang and the Hanabishi, and Chang's life is endangered, Otomo returns to Japan to settle things once and for all.

In dreamlike mountain scenery, Toshiko makes a daring escape from her sexually warped Uncle Sonezaki. Fortunately, she met Samehada as she runs for her life, which is also escaping from some slayers. What follows is a wild chase that leads the audience into a comically violent world.

A hit-woman goes after the Japanese mafia with a mad-on after her sister is killed. Beautiful, seductive Ran (Kaori Shimamura) harbors a secret: By night, she's the deadly assassin known as the Black Orchid. Her newest assignment started as an ordinary hit, but now it threatens to pull her into a nightmare world of sex and murder. Toshiharu Ikeda, creator of the Evil Dead Trap series of films, directs this erotic, violent tale of underworld deception.

With a Kansai syndicate setting their sights on Tokyo, a former yakuza boss gets dragged back into a world of violence.

An early Okamoto yakuza film, though it's not in the Underworld series (along with The Last Gunfight and The Big Boss) despite being alternatively known as "Death of the Boss." While Okamoto did not write this film and took on the project because he was assigned and "just doing [his] job" according to an interview with Chris Desjardins in Outlaw Masters of Japanese Film, he did express a general excitement about working in action cinema (which shows through in this film's energy.)

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.

On his release from prison a young yakuza, along with his brother, decides to turn his back on criminal life instead of taking over the position of his recently deceased father, boss of the Asahina clan. But their exit proves more difficult than planned when their rival clan steps in to exact revenge.

When Nick Davis leaves prison after one year in solitairy, he is hired to operate a forklift in a warehouse in the harbor owned by the Japanese Yakuza patriarch Isshin Tendo. The place is assaulted by the Italian Mafia lead by Dino Campanela and Nick rescues and saves the life of Shuji Sawamoto, who is the representative of Yakuza interests in America. Shuji hires Nick to work for Yakuza and becomes his godfather in the family after his oath to join Yakuza. However, Nick is a lonely FBI undercover agent assigned to penetrate the criminal organization. When the FBI discovers that Campanela is organizing a massive attack to destroy the Yakuza, Nick's boss Littman calls off the operation to leave the dirty work to the Italian Mafia. But the connection of Nick with Shuji and his goddaughter Yuko forces him to help his Japanese family.

In the middle of the era, Taisho, a big boss in Asakusa Iizuka, was severely questioned by the police about the source of funds for the Daido Federation, to which he belonged. The creditor, Izo, visited the local police station daily, worried about the safety of his boss, and himself came to the attention of the police. Izo embarks on a journey to escape, but in the meantime, the new rising yakuza Dojima plans to kill Iizuka...

The Shineikai, headed by Goro Numata, was doing his best in partnership with the Taiwan Mafia. In order to suppress the runaway, Reiniro Masaki, the second chairman of the Wuxia Association, stands up with the men in the back cup.

The martial arts leader is kidnapped. At the same time, an uneasy shadow attacks Reiniro Masaki, the second generation of the Wuxia novels. When a new conflict breaks out again, Masaki's own shocking past becomes clear.

The second generation Todo-gumi Wakato Hattori is taken to Johoku Medical College, where there are many suspicions of drugs due to angina. Hattori asks Masaki to act as a young head just in case. However, dissatisfied with the procedure, Ejima teamed up with the Mafia and started aiming for Masaki's defeat! !!

Shabs and weapons leaked from a US military base in Bando-gumi's Shima. It was due to a plot of the Kenyukai aiming at the Bando group's Shima. The Kenyukai sends a young head, Takenouchi, to Masaki, the second generation of the Wuxia Association, who tries to stop the plot.

The 8th installment of the "New Third Gokudo" series, which is a visualization of the work of Kazuhiko Murakami, which depicts the stories of men living in the world of gangsters. In the wake of the shooting of Todo-gumi Wakato and Hattori, disturbing movements began to appear around Masaki, the second generation of the Wuxia Association. Masaki, who explores the situation, finds out the existence of the mysterious organization "Sakurakai", but behind it, there is an even bigger one!

The Ryuna group's gambling ground was devastated by the Todo group Kishibe group. Tatsunami Ayatsu, acting leader of the Ryuna group, was prepared to fight with the Kishibe group, but responded by arbitration by Masaki. At that point, Kishibe, the leader of the Kishibe group, is killed by someone, and suspicion is turned to Masaki. A conspiracy theory drives Masaki into a corner.