The Shinsen-gumi members who remained alive boarded Oemaru along with the men from the Kuwana clan, and they left Orinohama, Sendai (currently, Orinohama, Ishinomaki city, Miyagi prefecture) with Takeaki ENOMOTO and others on October 12th and went to Ezo.
新選組生き残り隊士に桑名藩士らを加えて大江丸に乗船し、榎本武揚らとともに10月12日仙台折浜（現宮城県石巻市折浜）を出航、蝦夷に渡った。