It seems that the influence of the Tokuso family's autocracy reached Kozuke Province after its shugo (military governor) changed from the Adachi clan to the Tokuso family after the Shimotsuki Incident.
霜月騒動で上野国の守護が安達氏から得宗家へと替わり、上野でも得宗専制の影響が強くなってきたと見られる。