But after the death of Emperor Komei, authority power relationship was changed in the Imperial Palace, and the army of the Edo Bakufu which had been treated as the Imperial army, but they were ousted from the position by conspiracy of the Satsuma and Choshu Domains.
ところが孝明天皇の死後、宮中の権力変化がおこり、それまで官軍として君臨した江戸幕府軍は薩摩藩長州藩の謀略によってその地位を奪われた。