In Jinshin War of 672, he became an envoy to mobilize the force of arms for Prince Otomo (later Emperor Kobun) but obeyed Prince Oama (later Emperor Tenmu) because his army was taken away by a trap.
672年の壬申の乱で大友皇子（弘文天皇）のため兵力動員を行う使者になったが、計略で軍を奪われ大海人皇子（天武天皇）に服した。