In 1331, at the onset of the Genko War, which Emperor Godaigo had instigated by raising an army against the shogunate, removing himself from the capital (Kyoto) and setting up a base on Kasagi-yama Mountain, Doyo joined the shogunate army to put down the rebellion, and had been mainly in charge of implementing measures after the war in Kyoto had finished.
1331年に後醍醐天皇が討幕運動を起こし、京都を脱出して笠置山(京都府)に拠った元弘の乱では幕府が編成した鎮圧軍に従軍し、主に京都において事後処理を担当している。