The Tongjeongsa (司) is a department within the Central Plains' royal court responsible for managing official documents, while the Tongjeongsa (使) refers to the head of this department.

One might question why the son of a mere chief document officer—and not even the officer himself—would act so arrogantly, strutting with such self-importance.

But the truth lies in the power of communication, which fundamentally relies on either speech or writing. In the ancient era of the Central Plains, there were no long-distance communication tools, nor any technology for delivering written messages through personal devices.

Even the emperor is just one person, …