Though he was a follower of Takauji ASHIKAGA, who had raised an army against the Kamakura bakufu under Emperor Godaigo's command, due to the fact that the political order Emperor Godaigo had attempted to create through the Kenmu Restoration did not garner the support of the samurai class, Takauji and Doyo had distanced themselves from him, and Doyo subsequently served Takauji, who founded the Muromachi bakufu, holding joint positions as an administrative official and as constable over six provinces.
後醍醐天皇の綸旨を受け鎌倉幕府を倒すべく兵を挙げた足利尊氏に従い、武士の支持を得られなかった後醍醐天皇の建武の新政から尊氏と共に離れ、尊氏の開いた室町幕府において政所や六ヶ国の守護を兼ねた。