The ruins of the labyrinth, silent for countless ages, welcomed a new master. Niu Kun, heir to the throne of Bull Demon King and Lord of Beasts, pushed open a massive bronze gate leading to countless otherworlds and dimensions. "Huh? Why are all these otherworlds from anime I've seen before?" Niu Kun then wreaked havoc in the corpse-filled world of Apocalypse, transformed himself into the King of Monsters in the ordinary yet extraordinary world of mixed anime, became emperor in the war-torn world of Zan Akagi, and served as a demon god in the high school world of demons and angels...