In 1874, near the Kuichigaizaka Hill in Tokyo, he was attacked by Kumakichi TAKECHI, a samurai descendent in Kochi Prefecture, and others who were not satisfied with the result of the Seikan-ron debate and was injured (the Kuichigai Incident).
明治7年（1874年）東京喰違坂附近で征韓論争の結果に不満を抱く高知県士族武市熊吉らに襲撃され、怪我を負う（喰違の変）。