On July 23, the retreated troops merged with the 7th and 8th companies of Raigeki-tai and the 7th company of Kanjotai, both led from Takano by HENMI who received the report that the government army had advanced to Iwakawa, and advanced to Iwakawa with HENMI and SAGARA as Commanders and fought with the government army.
7月23日、官軍が岩川に進出したとの報を受け、高野から雷撃隊八・七番隊・干城隊七番隊を率いてきた辺見と合流し、辺見・相良を指揮長として岩川へ進撃し、官軍と交戦した。