At that time, Masakuni, who has been working in Edo as the leader of government where the Shogun was absent, faced a situation where his domain rebelled against the bakufu without his decision and finally he left to Yodo.
このとき、江戸で将軍の留守政権の首脳として活動していた正邦は、自らの藩が自らの決定無くして幕府に反旗を翻すという事態に遭遇、結局淀へ退去することとなる。