In 1858, he opposed the bakufu's submission of the imperial sanction to the Imperial Court for the Treaty of amity and commerce between the United states and Japan, and participated in the Demonstration of eighty-eight retainers of Imperial Court.
安政5年（1858年）幕府が朝廷に求めた日米修好通商条約への勅許を出すことに反対して廷臣八十八卿列参事件として列参に加わる。