The Ultimate Cosplayer of Tsumugi Shirogane is a colossal, socially progressive nation, ruled by Tsumugi Shirogane with an even hand, and notable for its keen interest in outer space, daily referendums, and frequent executions. The compassionate, hard-working, democratic population of 9.334 billion Tsumugi Shiroganeans enjoy some of the most opulent lifestyles in the region, unless they are unemployed or working-class, in which case they are variously starving to death or crippled by easily preventable diseases.

The relatively small, liberal, pro-business government juggles the competing demands of Industry, Administration, and Education. It meets to discuss matters of state in the capital city of Imagination. Citizens pay a flat income tax of 25.4%.

The frighteningly efficient Tsumugi Shiroganean economy, worth 973 trillion yen a year, is fairly diversified and led by the Information Technology industry, with significant contributions from Tourism, Retail, and Book Publishing. Average income is an impressive 104,272 yen, but there is a significant disparity between incomes, with the richest 10% of citizens earning 323,517 per year while the poor average 25,873, a ratio of 12.5 to 1.

Scaffolding is built around scaffolding to give safe access, signatures have been replaced with illegible scribbles, fifteen-year-olds cannot walk younger siblings to school without a professional Childcare and Education Certificate, and prankster scientists legally change their names to silly pseudonyms before major discoveries. Crime is well under control. Tsumugi Shirogane's national animal is the monokuma, which frolics freely in the nation's many lush forests, and its national religion is Violetism.

Tsumugi Shirogane is ranked 12,642^nd in the world and 64^th in Ambition for Highest Disposable Incomes, with 77,787.54 Standard Monetary Units.