On November 22, the secret Imperial order to overthrow the Shogunate was given to Hisamitsu and Shigehisa, and on the following day, 23, the Imperial Court ordered Hisamitsu to come to Kyoto in order to cope with the petition for Taisei Hokan (transfer of power back to the Emperor) by Shogun Yoshinobu on the same day.
10月14日に久光・茂久へ討幕の密勅が下され、また同日の将軍慶喜による大政奉還の奏請を受けて翌15日、朝廷より久光に対し上京が命じられた。