My Lord the World

In the eternal night, there is a green lantern; chaos arises from all over the world, and disasters spread to eight wastelands. For thousands of years, who dominates the world? However, the young man has risen from the mortal world, holding a sword and swimming in the sky, wielding an array to master the ups and downs, and the sound of the piano fills the world; chatting and laughing in the world, holding the world with one hand!