In a certain elemental realm, there is a fallen world. There are only endless wars in the world. Only in that peaceful little village can there be a trace of peace. In a village with green grass, the sound of explosion broke the tranquility there, and the protagonist arrived... The hierarchy system is; magician, magister, great magister, magician, demon spiritist, demon sect, demon emperor, demon venerable, demon king, demon emperor, demon god. . .