In a time preceding superheroes, ancient legends tell of Shaka Nyorai, a figure whose courage and wisdom once secured humanity's salvation. However, this peace is disrupted when Mara, embodiment of earthly temptations, allies with the devil to unleash their wrath upon mankind once more. To combat this malevolent threat, Taishakuten and Bonten, celestial entities, must unite with the Thirteen Buddhas. Will the combined forces of light triumph over the brutal assault and rescue humanity from its direst moment?