GACHI-BAN: IV
High school Yanki (Japanese delinquent) boss, Monji Mori, decides to make his mark at Kabukicho, infamous for organized crimes, as his first step in conquering Japan. In the process, he makes a new enemy and needs his Black Skull Gang to avenge him.
- Year: 2009
- Country: Japan
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- Director: Takashi Motoki
- Cast: Kazuma Sano, Kazuki Namioka, Soran Tamoto, Takuya Nakayama, Takuma Sueno