The overhead background refers to many dynasties.
For those of you who think this looks familiar, please don't hold on to the bugs of the times and come to me for explanations [I really don't know anything about OTL]
Just because I was bored and read a few articles recently, I felt more and more "Ah, it should be like this", so I started digging holes and digging soil by myself.
This is a story between the emperor and the prime minister
There have been too many articles on the same subject by predecessors, so I don't seek to be brilliant here but just seek to meet my own standards.
If anyone really comes to see you, please give me a gentle pat - -