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

After his daughter Mai is killed in an auto accident, a genius programmer recreates her in the form of a computer program called AI. His jealous brother-in-law, wanting to get his hands on the technology for profit, sends his client to steal it and Mai’s father is killed in the process. Learning of her capture, Mai’s old friends race to free AI from her captors so that she won’t fall into the corporate clutches that threaten to erase her soul.

Small-time con man, Jiro (Shunsuke Matsuoka), makes his living tricking small businesses out of large sums of money. In the process he acquires a helpmate Kumiko, a refugee from her stepfather's sexual abuse. But things start to get out of control when yakuza boss Kamewada (Shohei Hino), muscles in on the action.

After spending over half his life in prison, ex-hitman Kunihiro is determined to go straight. But the shortcomings of the new gangs mean that he is soon having to call on his old-school yakuza talents. And when he falls for Asako, a beautiful piano player, she unknowingly ignites a fire within Kuni that will immolate everything and everybody around him. Regarded by many as his masterpiece, Onibi has all the hallmarks of a Mochizuki film, with the gangster elements tightly compressed and controlled to allow space in which a subdued romance can bloom. Coming from a background in porno cinema, this master of sexual relations injects a fresh passion and tension into the macho world of the yakuza film.

Makabe is a yakuza who is addicted to 'shabu' (a slang refers to stimulant drug). He lives as if he wants to destroy himself. He steals a mistress of the boss of a big yakuza syndicate by force. He takes over the yakuza group he belongs to, by killing the old boss. When he tries to use 'shabu' as the main finacial resource of his group, it leads to the serious confrontation with another big yakuza syndicate.

After serving 10 years in prison due to a drug-induced assassination of a rival gang boss Tachibana (Ryo Ishibashi) enters a world that's nothing like it was when he went in. Once a respected and feared Yakuza mastermind, he now must try and adapt within the confines of the new generations vision of honor. As he still garners a somewhat decent amount of respect he just tries to get by. Hooking up with a prostitute he's been in passing by with he begins to feel some sense of comfort. Upon stumbling across her being beaten down by her pimp, Tachibana can't just sit by and do nothing. So he commences in putting down an old school Yakuza ass whipping, thus beginning a showdown with the "now" boss, Sato.