In the Jinshin War which broke out in 672, SAKAMOTO fought for Prince Oama (Emperor Tenmu) to defend the enemy coming from Kawachi Province to Yamato (Yamato Province).
672年の壬申の乱で大海人皇子（天武天皇）側にたって戦い、河内から倭（大和）に来る敵を防いだ。