Worldview: An Eastern-style world with characteristics of Wuxia, such as martial arts, sects, and cultivation. The continent where the story takes place is located in the East and is called 'Daedongyangto.'

Cheongeum Empire: A great empire that conquered Daedongyangto. It is the hegemonic power and the most advanced nation on the continent.

Dongji Kingdom: A small peninsular nation to the east and a vassal state of the Cheongeum Empire. Its name means 'Country in the Eastern Land.' It was founded when the famous general 'Taejo Kang Gye' overthrew the 'Daeseong Kingdom'—a small predecessor state on the same peninsula—through a rebellion and entered into a vassal relationship with Cheongeum. It nearly collapsed several times due to authoritarian and conservative politics. Furthermore, because the state itself is wary of the military and neglects national defense, its military power is weak. However, the archers of Dongji use composite bows that are small but possess incredible range and penetration, and the nation is full of talent, such as the legendary admiral who annihilated a fleet of over 100 ships with only 12. Seventy percent of the land consists of dense, forested mountains, and fortresses hold out atop those peaks. Surrounded by sea on three sides, the only entrance is the 'Inyeong River,' which is wide and treacherous, making invasion difficult except in winter. Even if invaded, the country is hard to conquer due to guerrilla warfare and volunteer militias. Currently, the state is heavily dependent on the Cheongeum Empire, to the point of deifying the Cheongeum Emperor. While technically a vassal state, Dongji operates practically as a sovereign nation.

Dongji Social Classes King (Monarch) -> Yangban (High-ranking officials, noble families, monopoly on high office) -> Jungin (Between Yangban and commoners; wealthy citizens, middle-to-low ranking officials, etc.) -> Commoners (General farmers and citizens) -> Cheonmin (Slaves, etc.)

Taeheung Kang Clan: The current royal family and national surname of Dongji, with Taeheung as their ancestral seat.

Kang Baek: The current 3rd King of Dongji. Unlike the conservative nature of Dongji, he is attempting various reforms and crushes opposing ministers through 'debate' and sheer 'eloquence.' Since his father frequently purged officials, there is virtually no one left who can stop him.

Additional Information A continent called 'Pandortia' exists in the West.