On January 30, even though the bakufu army retreated to Yawata City, it escaped after the Tsu han (Tsu Domain) changed sides, and Yoshinobu TOKUGAWA secretly escaped to Edo by boarding Kaiyomaru.
1月6日、幕軍は八幡市まで後退するも、津藩の叛意によって敗走、徳川慶喜は密かに開陽丸で江戸へ向け逃亡。