Duchy of Tenrei sits between kingdom law and county identity, making it the layer where tax policy, patrol command, and noble logistics become visible to players reading the world archive.
Its seat is Tenrei, and it holds 3 counties.
A duchy of Kairyu, 127 km² in 3 counties.

Duchy of Tenrei sits between kingdom law and county identity, making it the layer where tax policy, patrol command, and noble logistics become visible to players reading the world archive.
Its seat is Tenrei, and it holds 3 counties.
Kairyu, 52 km² in 4 baronies, seated at Tenrei.
Law focus: Logic, precision and records, after Syllogis
Open county record →Kairyu, 46 km² in 4 baronies, seated at Kirisato.
Law focus: Logic, precision and records, after Syllogis
Open county record →Kairyu, 28 km² in 2 baronies, seated at Jakubo.
Law focus: Logic, precision and records, after Syllogis
Open county record →