What... in 1444 Jianzhou doesn't know Nippon islands

[SantoshKashyap]

This is a brilliant depiction, when the game begins, Jianzhou, a coastal tag doesn't know Ashikaga but a land-locked tag Haixi not only know them but also sometimes go hand in hand.

 

[Sharples88]

AI cheats when it comes to seeing the map.

 

[SantoshKashyap]

But more importantly shouldn't Jianzhou already know Japan from the game start.