After the Jokyu War, the Ashikaga clan received much of the shoryo (territory) within Mikawa Province, but Osauji of the Kira clan was the position to be entrusted as the supreme commander and the supervisor among them.
承久の乱以降、足利氏は三河国内に多くの所領を得たが、長氏の吉良氏はその中でも総指揮・監督権を委ねられる立場にある。