OVA
Description
Gōzō Mizuchi is a central antagonist in the Sukeban Deka narrative, serving as the patriarch of the Mizuchi crime family which holds considerable power over Takanoha High School and its surrounding community. As the father of the three Mizuchi sisters—Remi, Ayumi, and Emi—he represents the corrupt and institutional authority that the protagonist Saki Asamiya must ultimately confront.

In terms of background, Gōzō is established as a politician who leverages his public position to shield his family's extensive criminal activities. His political influence allows him to manipulate the legal system to his advantage, often framing his rivals for the very crimes committed by his own daughters. This dual identity as both a public servant and a crime lord makes him a formidable adversary, as he operates from a position of seemingly legitimate power.

Personality-wise, Gōzō is depicted as calculating and domineering, using his influence to control both his family's operations and the environment of Takanoha High School. His motivations are rooted in the preservation and expansion of his family's power, demonstrating a willingness to destroy anyone who threatens their criminal enterprise. He embodies the archetype of a chessmaster, attempting to orchestrate events from behind the scenes to ensure his family's dominance.

Within the story, Gōzō plays the role of the overarching villain whose reach extends far beyond the schoolyard. His primary function is to serve as the ultimate source of the Mizuchi family's power, providing his daughters with the resources and protection they need to terrorize Takanoha High. Unlike his daughters who are directly involved in the day-to-day bullying and criminal acts, Gōzō operates at a higher level, using his political connections to evade justice and eliminate opposition.

Regarding his key relationships, Gōzō is the father of the three Mizuchi sisters who serve as the primary antagonists within the school setting. The sisters are heavily associated with snake motifs, reflecting the venomous and predatory nature of the family unit. His relationship with the protagonist Saki Asamiya is one of direct opposition, as her mission to clean up the school inevitably puts her on a collision course with his organization.

In terms of character development and fate, Gōzō meets his end alongside his daughter Emi. In the original video animation adaptation, he is killed by a brainwashed assassin sent by his own eldest daughter, Remi. This betrayal from within his own family underscores the themes of corruption and treachery that run throughout the Mizuchi family dynamic. The manga portrays a similar outcome, with Remi orchestrating his death through her masked subordinates.

Regarding notable abilities, Gōzō Mizuchi does not possess physical fighting skills like other characters in the series. Instead, his primary weapon is his political authority and the systemic power he wields as an elected official. This allows him to operate with impunity, framing innocent parties for his family's crimes while remaining untouchable by conventional law enforcement. His strategic mind and willingness to exploit the legal system make him a unique threat that cannot be defeated through physical confrontation alone, requiring Saki to expose his crimes through investigation rather than direct combat.