at the end of meiji restoration, a girl saint was crucified and burnt alive under persecution. a century later, katori and six childhood friends are summoned to her world beyond the nirvana, where they receive the great commission: build a kingdom, and make disciples of all nations. at every midnight, each of them are randomly given a role out of king/queen, noble, and peasants. as the lowly must obey a higher-up in the hierarchy, can they fight and defeat other nations to conquer the world–before infighting brought up by their own hidden desires breaks them apart?