C225 Prodigy Theory
After the matter with Chen Family was resolved, the matter with Gusu had actually come to an end.
To Koo Beichen, whether it was the past or the present, at least the grudge in Gusu had basically been settled.
Koo Beichen's people left behind a portion of the scribe soldiers who were more adept at managing businesses and stayed behind to manage the businesses in the Gusu