The Ghoul Investigator of Kishou Arima is a colossal, safe nation, ruled by Kishou Arima with an even hand, and renowned for its compulsory military service, daily referendums, and irreverence towards religion. The compassionate, hard-working, democratic population of 9.215 billion Arimen enjoy extensive civil freedoms, particularly in social issues, while business tends to be more regulated.

The medium-sized government juggles the competing demands of Administration, Industry, and Education. It meets to discuss matters of state in the capital city of Criven. The average income tax rate is 32.9%.

The frighteningly efficient Ariman economy, worth a remarkable 1,029 trillion yen a year, is broadly diversified and led by the Information Technology industry, with major contributions from Tourism, Book Publishing, and Trout Farming. Average income is an impressive 111,725 yen, and evenly distributed, with the richest citizens earning only 4.2 times as much as the poorest.

Kishou Arima's told that love often manifests itself through homicidal four-lettered litanies, court verdicts are predictable to within a hundredth of a percentage point, on graduation day the hats thrown in the air fly high enough to stun passing pigeons, and mathematicians are hated by children across the country. Crime, especially youth-related, is totally unknown. Kishou Arima's national animal is the crane, which frolics freely in the nation's many lush forests, and its national religion is Violetism.

Kishou Arima is ranked 104,232^nd in the world and 40^th in Cao Wei for Lowest Crime Rates, with 65.37 law-abiding acts per hour.