The Choshu clan toppled to become chouteki (朝敵), but after the death of Emperor Komei, who belonged to the sect that sought the expulsion of foreigners, Satsuma and Choshu concluded the Saccho Coalition (薩長同盟), and the fifteenth shogun, Yoshinobu TOKUGAWA, seeking the establishment of the Kougi government, conducted the restoration of imperial rule; however, the Meiji Government was established through the acceptance of restoration of imperial rule (Japan), and upon the defeat of the former Bakufu army in the Battle of Toba Fushimi, the order to hunt down Yoshinobu TOKUGAWA was released, and even though the Bakufu structure was legally extinguished, the Tobaku movement through military power became active.
長州藩は没落して朝敵となるが、攘夷派であった孝明天皇の崩御、薩長同盟で薩摩と長州が密約を結ぶと、15代将軍の徳川慶喜は大政奉還を行い公議政体構築を目指すが、王政復古(日本)により明治政府が成立、鳥羽伏見の戦いで旧幕府軍が敗北し、徳川慶喜に対する追討令が出ると、法的には幕府機構は消滅しているものの武力討幕運動が盛んになる。