On April 11th, while Yoshinobu was departing from the Kanei-ji Temple to Mito, Enomoto with other former retainers of the Tokugawa shogunate, who were advocates of the resistance force party, left the port from the coast of Shinagawa; he was deserting to a point off the coast of Tateyama City, leading seven ships of the former bakufu.
が、徳川慶喜が寛永寺から水戸へ移った4月11日、抗戦派の旧幕臣らとともに旧幕府艦隊7隻を率いて品川沖から出港し、館山市沖に逃れた。