After Takauji died in 1358, Doyo served as steward of the Administrative Board of the Muromachi government for the 2nd shogun Yoshiakira ASHIKAGA, who was Takauji's son, and mediated a settlement between Shugo daimyo (Japanese territorial lord as provincial constable).
1358年に尊氏が死去し、子の2代将軍足利義詮時代の室町政権においては政所執事などを務め、幕府内における守護大名の抗争を調停した。