The Umbrella Bearer and the Sword-Bearing Wanderer

The world is divided into three: humans, demons, and devils. Humans and demons follow different paths; humans and devils can never coexist. They say there is an immortal gate at the end of the world, guarded by someone who carries an umbrella. That umbrella represents supreme authority. A young man emerges from the darkness and uses the ghostly blade in his hand to cleave heaven and earth apart.