On the way east, the Prince made up his mind up to spare Yoshinobu's life by having him swear allegiance, in Sunpu, he met with Kitashirakawa no Miya Prince Yoshihisa from Edo, who came to ask him to break off the attack east and to spare Yoshinobu's life, he asked the Hosshinno's (the Prince who went into the priesthood and received a title to become the Prince by the Emperor) opinion about sparing Yoshinobu's life.
この道中で、熾仁親王は恭順を条件に慶喜を助命する方針を固めており、江戸から東征中止の要請と慶喜の助命嘆願のために訪れた北白川宮能久親王と駿府で会見し、法親王に慶喜の恭順の意思を問うている。