Kazuki moves to Tokyo, aspiring to rise to the top in his Yakuza group. Working directly under his group's kumicho (the Yakuza don) and surviving the group in-fightings, he learns what it really takes to be Yakuza.

DCP DeSilva sees a way to bring to justice the feared head of a criminal empire by recruiting a man named Vijay, who looks exactly like the crime boss. The ruse works too well, and soon Vijay finds his life in danger when DeSilva, the only one who knows his true identity, dies.

A ruthless gangster named Don is killed during a scuffle with the police. Since only DSP D'Silva knows of this incident, he recruits Vijay, who is a spitting image of Don, to replace the original Don and infiltrate his gang. D'Silva plans to nab the entire gang, but when he dies during a raid, the secret that Vijay is not Don is also buried with him.

A youngster who is still figuring out what his passion is gets into an engineering college where he clashes with a disciplinarian faculty.

After four years overseas, Shozo returns to Japan to avenge his yakuza boss who was assassinated by his own treacherous top man, Kurawaki. The resulting battle leaves both men severely injured, and Shozo awakens in a mysterious medical facility to find his arm replaced with an M61 Vulcan cannon and his leg replaced with a rocket launcher. Meanwhile, Kurawaki has been fitted with mechanical augmentations of his own. Get ready for the second round.

Seiji and Yoshifumi are the only members of the Muto branch of the Date Family. The two respect and love their leader, Mr. Muto, like a father and the three share a firm bond. But their fate is sealed when the Family is involved in a conflict. Muto is unable to pay his share of funds for the oncoming battle but tells executives of the Family that he would fight at the front line instead. In the wish to protect Muto, Seiji has him arrested by the police. Ignoring the Family executives' mocks of "Muto escaped to prison", Seiji prepares for the battle and attacks like a demon on behalf of his boss...

Two childhood friends find themselves caught in the midst of an all-out turf war between rival factions in the yakuza-stained region of Kyushu.

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 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 gaudy world of 1930s Shinjuku, a violent youth known as Bakudan Match tangles explosively with prostitutes, politicians and the police.