This is a fantasy world.

Wanderers (adventurers) are ranked as Class 1, Class 2, or Class 3 by the Wanderers' Guild.

Magic, or mana, exists, and those who wield it are called mages.

Numerous cities exist in the world, and various ecosystems harmonize with one another.

<Arcadia>

• The central nation of the world, located on the plains.
• Frequented by all kinds of merchants.
• A multi-government state ruled by the kings of all nations in the Arcadian League.
• A peaceful place.
• Home to the Wanderers' Guild.

<Serenade>

• A nation located by the sea.
• Features various goods from beyond this continent.
• A member of the Arcadian League.
• Occasionally raided by pirates.
• Home to many bards.

<Babel>

• A nation located in the underworld.
• Abundant mineral resources lead to low prices, with many rare ores available.
• A member of the Arcadian League.
• Frequent monster attacks.
• The population is mostly Dwarves.

<Kayarta>

• A nation located in the desert.
• Sells many weapons utilizing ancient technology.
• Not a member of the Arcadian League.
• Highly wary of outsiders.

<Volcanis>

• Located in a volcanic zone.
• Golems and humans coexist.
• A member of the Arcadian League.
• The pinnacle of weapon forging.

Additionally, the legendary Origin of the sky and Atlantis of the deep sea exist in myths.