In December, he arrived in Edo, and was took a secret letter of Saiakira's relating to Shogun Yoshitsugu to Yoshinaga MATSUDAIRA the lord of the Echizen Domain, and in this month, he discussed enthroning Yoshinobu HITOTSUBASHI with Sanai HASHIMOTO.
12月、江戸に着き、将軍継嗣に関する斉彬の密書を越前藩主松平慶永に持って行き、この月内、橋本左内らと一橋慶喜擁立について協議を重ねた。