After defeating the Grand Devil Belphegor, the Demon Lord returns to the village of Rabbi. With the addition of the casino that stokes the greed of the populace, the village prospers rapidly. Finally, the Demon Lord summons a new advisor: Yuya Kondo, who turns out to be an antisocial geek with an obsession for fictional girls and a burning distrust for IRL females. How will the Demon Lord expand his reach over Holylight and the continent?