However, when the Battle of Toba Fushimi broke out, even though there were opinions within the Imperial Court that viewed it as a personal battle between the Tokugawa Family and the Shimazu Family, he suggested active involvement in the battle and advocated it, thereby drawing attention from Court nobles who wanted to overthrow the Shogunate, such as Iwakura.
ただ鳥羽・伏見の戦いがはじまると、朝廷ではこれを徳川家と島津家の私闘と見なす意見が出るなかにあって、積極的な関与・主戦論を主張し岩倉ら倒幕派公卿に注目された。