OVA
Description
Kyōtarō Murata is the only son of Kyosuke Murata, the head of the Suwa Alliance yakuza organization. He is a high school student in the port town of Katsuhara, Chiba Prefecture, where he attends a school with a fisheries department. From a young age, Kyōtarō exhibits an uncontrollable and violent nature, quickly building a reputation as a formidable delinquent. He leads a gang of classmates who engage in a wide range of criminal activities, including abalone poaching, horse racing, prostitution, and illegal gambling. He is known for carrying a handgun, a shocking detail given Japan's strict firearms laws, and is willing to use it without hesitation.

Kyōtarō's personality is defined by extreme impulsiveness, aggression, and a complete disregard for authority or social norms. He is confrontational and fearless, provoking fights with older opponents and even assaulting a hostess at a Ginza club in front of shocked patrons. Despite his ruthless behavior, he possesses a strong charisma that draws others to him, as seen when he wins the loyalty of his bulky partner Mishima by tackling him into the ocean while tied to an anchor. He also shows a protective side, such as when he and his gang beat up men who harassed a schoolmate named Hidemi.

His primary motivation is driven by his heritage. He wants to carve his own path in the underworld, but his father Kyosuke is determined to prevent him from becoming a yakuza. This creates a deep father-son conflict. Kyōtarō's actions often escalate into open warfare with local yakuza groups, culminating in him blowing up a yakuza office with a dumptruck and firing his gun. This leads to his arrest and a harsh prison sentence.

In prison, Kyōtarō faces brutal treatment from both corrupt guards and inmates. His father sends a hardened yakuza named Ootomo Ryuuji to break his spirit, but Kyōtarō endures the abuse without yielding, eventually earning the respect of the other prisoners. During a major earthquake and tsunami, he takes charge of the prisoners and leads them to safety, showing both courage and an ability to inspire others. His time in prison becomes a crucible for his development, transforming him from a purely reckless troublemaker into a more deliberate and resilient character.

Throughout the story, Kyōtarō's key relationships shape his journey. His mother Kumiko worries for him, while his uncle Kentarou, a police officer, stands in direct opposition to his lifestyle. The girl Hidemi represents a potential anchor to normalcy, though Kyōtarō's involvement with her is fraught with violence. His most significant relationship is with his father Kyosuke, who tries to control and later destroy him but eventually faces the reality that his son is determined to follow his own code. In the end, Kyōtarō's development sees him mature enough to confront his father directly, embodying the rough, unyielding spirit that defines the series.