The empire that has stood for thousands of years has long been decayed with its former glory and glory. Beneath its glamorous appearance, there are demons and demons rampant, a hell of demons and monsters raging on earth. In this muddy world, good and evil, right and wrong, light and dark The boundaries have long been blurred. Only power can dominate everything-"Date A Live, High School DxD, Problem Children Are Coming from Another World, Aren't They?, Campione!, Strike the Blood, Infinite Stratos is over, Akama Ga Kill is on. 』