Within Kansai"s electric skyline, towering holographic panels paint the night in neon hues, giving the city an almost perfect technological sheen. Yet beneath the glittering façades, a ruthless underworld thrives, populated by outlaws called Akudama.
The local police, well acquainted with these figures, have set a clock for the public hanging of a notorious Akudama dubbed "Cutthroat," who has claimed 999 lives. Suddenly, an enigmatic summons reaches a handful of elite Akudama, offering them a hefty bounty to rescue Cutthroat. A hidden force is orchestrating the convergence of these lethal operatives, turning the impending execution into a potential massacre.