To revive the legendary sex demon Yarudazuigu, the villainous Mr. Frostbite dispatches his strongest soldier, Amabire, to retrieve several sacred rings. Amabire lures the protagonists into a dimension of intense carnal pleasure, hoping to weaken them and seize the artifacts. However, the last protector of the rings, Anaruski, arrives to challenge her, sparking a chaotic battle of love and lust to prevent the world from falling into demonic hands.