In the subsequent important battles such as the Kinmon Incident, the first conquest of Choshu and the second conquest of Choshu, he showed his ability in collecting information on the progress and situations of a battle and provided accurate information to Isami KONDO and the Aizu domain.
その後、禁門の変や第一次長州征討、第二次長州征討などの重要な戦いでも戦況の推移や状況報告に能力を発揮し、近藤勇や会津藩に正確な情報をもたらした。