Set in the gritty city of Ergastulum, Gangsta. follows two hard-edged mercenaries, Nicolas Brown and Worick Arcangelo, who take on dangerous jobs for both the mafia and the police. Based on Kohske's manga, the series pits them against a growing underworld of crime and the city’s 'Twilights'—superpowered humans—as loyalties are tested and a brutal conspiracy unfolds.

Set in the gritty city of Ergastulum, Gangsta. follows two hard-edged mercenaries, Nicolas Brown and Worick Arcangelo, who take on dangerous jobs for both the mafia and the police. Based on Kohske's manga, the series pits them against a growing underworld of crime and the city’s 'Twilights'—superpowered humans—as loyalties are tested and a brutal conspiracy unfolds.