Two children from an orphanage died in an accident while working outside. They were both born in different worlds. The two male protagonists, one wise and brave, the other naive and mischievous, are based on the mutual interdependence of the five elements. They help each other as a team when they are young, and in the later stage they are superior to others with their skills. This story will introduce the thunder method in detail and bring the mutant thunder root to its fullest.
