In the Jinshin War in 672, FUMI no Kusuri was chosen as a messenger to mobilize troops for Otomo no Oji (Prince Otomo, who later became Emperor Kobun), but was caught by the enemy.
672年の壬申の乱で大友皇子（弘文天皇）のため兵を興す使者に立ち、敵に捕らえられた。