He left his clan in order to join a revolt by roshi (masterless samurai) (Fushimi gikyo) prepared by Kuniomi HIRANO and so on, but was arrested in the Teradaya Incident and sent back to Tosa and imprisoned.
平野国臣らが画策する浪士蜂起計画（伏見義挙）に参加すべく脱藩するが、寺田屋事件で捕縛されて土佐に送還され投獄される。