In 672, he fought on the side of Prince Oama (Emperor Tenmu) and contributed to the Oama forces' victory by demonstrating his valor in the Battle of Hashinohaka and the Battle of Nakatsu Mitchi Road.
672年の壬申の乱のとき大海人皇子（天武天皇）の側について戦い、箸陵と中つ道の戦いで活躍し、大海人側の勝利に貢献する。