The Successful Businessmen Handbook II: Leadership Skills You Can Learn from the Yakuza (2007)

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.

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.

Kensuke Sonomura directs the legendary Hitoshi Ozawa in this ultimate V-Cinema actioner. Kaiko City is plagued with poverty and crime. When a corrupt businessman decides to run for mayor and starts eliminating opponents from the rival mafia, a former police captain serving time for murder is secretly released and put in charge of a special task force to arrest him.

To bring down a global human trafficking ring, an Interpol agent recruits the help of a brutal criminal with inside knowledge of the yakuza.

Taken in by the yakuza at a young age, Kenji swears allegiance to his old-school boss, pledging to adhere to the family code amid ever-changing times.

A barkeeper saves a Yakuza boss' life and thus makes his way up in the organization. However, his fear of nothing soon causes problems.

Chapman is an ex-marine in Brazil's slums, battling the yakuza outfit who attacked his sister and left her for dead.

A thug offers to pay a law student's gambling debt if the student will accompany him on a trip across Tokyo.

A self-destructive man becomes a powerful member of the yakuza but quickly loses his self-control. Based on the true story of Rikio Ishikawa.

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.