Soon, the immense Persona Century Corporation holds nearly all of the world in its firm grasp. However, amidst the few territories still not subjected to its dominance, a charming enigma arrives in Shinjuku - a hazardous and disorderly area overrun by revolutionaries and extremists. This intriguing stranger goes by the moniker of Dark Side and, alongside a diminutive group of insurgents, endeavors to dismantle Persona's controlling hold on the planet.