The Katsumata-gumi, based in Nishinomiya, becomes outraged by the Serizawa-gumi's brazen expansion of their operations within their territory and prepares for all-out war. Despite being falsely accused due to Serizawa’s (Kawano Taro) devious schemes, Ōtani Ryūzō (Ryu Daisuke), head of the Ōtani-gumi, heads out to set things straight—only to fall to a hail of bullets from an enraged Katsumata-gumi member. Mikasa Yūji (Musashi Ken), still imprisoned, is left in shock and helpless upon hearing the news of his boss’s death. As the Kansai underworld is slowly swallowed whole by the serpent that is Serizawa, what fate awaits each of these men of ninkyō?

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