Chasing the Emishi/Ezo army, the Imperial army entered Subuse village, where they had intended to meet the front force of the Imperial army stationed on the west side of the river, which, however, had been blocked by the Emishi/Ezo army and had failed to cross the river.
この蝦夷軍を追って巣伏村に至り、そこで前軍と合流しようと考えたが、前軍は対岸の蝦夷軍に阻まれて渡河できなかった。