Meanwhile, court nobles belonging to the radical party for Choshu including Sanetomi SANJO had been expelled from Kyoto after a coup on September 30, 1863, and few court nobles of tobakuha such as Iwakura had not been able to hold initiative in the Imperial Court due to their humble family lineage, although they were influential.
一方三条実美ら長州過激派の公家は文久3年8月18日の政変以来、京から追放されたままであり、岩倉ら少数の倒幕派公家は家柄が低かったため影響力はあっても朝廷内の主導権を握れてはいなかった。