Hisamitsu went down to Edo with an imperial envoy, Shigetomi OHARA to ask the bakufu to appoint Yoshinobu to Shogun-kokenshoku (one of three major posts of Edo bakufu) and Shungaku to the president of political affairs.
久光は勅使の大原重徳とともに江戸へ下り、慶喜将軍後見職就任や春嶽の政事総裁職就任を求める。