In November 1204, he took charge of negotiations with the Imperial Court and the Imperial nobles, to receive the Midaidokoro (shogun or minister's wife) of the third Shogun MINAMOTO no Sanetomo from Kyoto.
同年11月、3代将軍源実朝の御台所を京都から迎えるため、朝廷や公家との交渉役を務める。