Finally, on August 19th, Enomoto sailed away to support the Tohoku (Northern-east region) domains that were resisting the 'expeditionary force to the east' leading eight ships (Kaiyo Maru, Kaiten Maru, Banryu Maru, Chiyodagata Maru, Shinsoku Maru, Cyogei, Mikaho Maru, and Kanrin Maru).
結局8月19日に8隻（開陽丸・回天丸・蟠竜丸・千代田形丸・神速丸・長鯨・美賀保・咸臨丸）を率いて東征軍に抵抗する東北諸藩の支援に向かった。