The yandere and ruthless young apprentice VS the cold and profound immortal
Three thousand years ago, the Worshipful Immortal Lord fell into the devil's path and released thousands of monsters that destroyed all life in the world. The Immortal Lord, who did not eat the fireworks of the world, fought with him and sealed it, but he was seriously injured. After falling into the mortal world, he encounters a little apprentice with some spiritual powers. The two support each other and conquer demons, and a series of touching stories happen.
Purpose: Protecting the environment is everyone's responsibility.