Heat Island (2007)

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.

After serving time, a defiant street thug is incensed to find his town overrun by two yakuza factions. He gathers his crew and takes them on.

Bent on revenge, a traumatized ex-police officer must infiltrate a yakuza organization by befriending one of the group's most unhinged members.

A simple funeral turns a man's world Topsy turvy. He wakes up in a posh hotel room, totally clueless about how he got there. Slowly, he recalls what happened a day before.

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

In order to settle a business dispute, a mob leader murders one of his own teenage sons. The surviving son vows to avenge his brother's death, and organizes his own gang of teenage killers to destroy his father's organization.

Mikami, an ex-yakuza of middle age with most of his life in prison, gets released after serving 13 years of sentence for murder. Hoping to find his long lost mother, from whom he was separated as a child, he applies for a TV show and meets a young TV director Tsunoda. Meanwhile, he struggles to get a proper job and fit into society. His impulsive, adamant nature and ingrained beliefs cause friction in his relationship with Tsunoda and those who want to help him.

The students of Suzuran High compete for the King of School title. An ex-graduate yakuza is sent to kill the son of a criminal group, but he can't make himself do it as he reminds him of his youth.

When a young Yakuza torments the customers in a rival crime family's nightclub, it is not long before his dead body is found. Soon, inter-family retaliation follows, resulting in the death for a prominent crime boss. Devastated by this turn of events, the temperamental Kenzaki vows to avenge his boss's death and, as bloody violence ensues, the body count reaches excessive proportions.

A drifting ex-soldier turns underground fighter with the help of a just-released ex-con, pitting him against corrupt cops and hired killers now gunning for him and all those he cares about.