Tokyo is plagued by a mysterious drug known only as Candy—a dangerously addictive substance whose main ingredient is nothing more than ordinary sugar. Infiltrating the yakuza to uncover the source of Candy, narcotics officer Susui finds himself cornered during a sting gone wrong. Just when all seems lost, he’s saved by an unexpected ally: a girl wielding impossible powers who calls herself a magical girl—Riri Hoshina. Thus begins an outrageous and high-octane battle against the darkness of the underworld… led by a sparkly warrior of justice!?