Since Mitora was only 2 years of age, Masako was appointed his guardian and ruled the country in Mitora's place, becoming known as the Ama Shogun.
三寅はまだ二歳の幼児であり、政子が三寅を後見して将軍の代行をすることになり、「尼将軍」と呼ばれるようになる。