The Unitary Republic of of Great Yin is a colossal, cultured nation, ruled by Wei Yenwu with a fair hand, and notable for its museums and concert halls, daily referendums, and punitive income tax rates. The compassionate, hard-working, democratic population of 4.239 billion Great Yinians hold their civil and political rights very dear, although the wealthy and those in business tend to be viewed with suspicion.

The medium-sized, liberal, outspoken government juggles the competing demands of Administration, Industry, and Education. It meets to discuss matters of state in the capital city of Lungmen City 龙门市. Citizens pay a flat income tax of 54.6%.

The frighteningly efficient Great Yinian economy, worth 575 trillion 龙门币 LM$s a year, is broadly diversified and led by the Tourism industry, with major contributions from Information Technology, Retail, and Furniture Restoration. State-owned companies are reasonably common. Average income is an impressive 135,800 龙门币 LM$s, with the richest citizens earning 5.6 times as much as the poorest.

Snooze factory is now prison lingo for rehabilitation center, people reciting Shakespeare have become a common sight, a sudden shout of "surprise!" does not herald a party for teachers, and business meetings across the country are interrupted by the sound of squeaking whoopee-cushions. Crime, especially youth-related, is totally unknown. Great Yin's national animal is the Yinglong Dragon, which soars majestically through the nation's famously clear skies, and its national religion is Confucianism.

Great Yin is ranked 21,955^th in the world and 2^nd in VTubers and Anime for Safest, scoring 112.52 on the Bubble-Rapp Safety Rating.