Doyo also opened up a line of communications with the Southern Court and conducted negotiations, and when the Governor-general of Kamakurafu, Motouji ASHIKAGA, who had been installed by the shogunate to control Kanto area, died in 1367, Doyo went to Kamakura to assume the post.
また、南朝とのパイプを持ち交渉も行い、1367年に幕府が関東統治のために鎌倉に設置した鎌倉公方の足利基氏が死去すると、鎌倉へ赴いて事後処理を務める。