After Nakaoka's assassination in November 1867, he raised a voluntary army near Mt. Koya in the following month and fought against local governors and various clans as Fukutaicho-kaku of Washinoo-tai Corps lead by Takatsumu WASHINOO.
同年11月、中岡が暗殺されると、今度は鷲尾隆聚の率いる鷲尾隊の副隊長格として翌月、高野山付近で義軍を挙げ、代官や諸藩と戦った。