After occupying Goryokaku in Hakodate Toshizo advanced his army including Gakuheitai army and others.; he conquered Matsumae Castle (Fukuyama Castle) and chased the retreating army of the enemy to Esashi.
箱館・五稜郭を占領後、歳三は額兵隊などを率いて松前へ進軍し松前城（福山城）を陥落させ、残兵を江差まで追撃した。