At the Coup of 1335, He followed Takauji ASHIKAGA and moved from place to place to fight in Kinai region (provinces surrounding Kyoto and Nara) and Saigoku (western part of Japan [usually referring to Kyushu, but ranging as far east as Kinki]); when Takauji, who had run away from the Southern Court army and hidden out in Kyushu, recovered Kyoto by counterattack, he was appointed as shugoshiki (provincial constable) of Inaba Province and Tajima Province, and also held a position of the second tonin of the hyojoshu (a member of the Council of State) of Muromachi bakufu (Japanese feudal government headed by a shogun) and naidanshu (Coadjustor of the High Court) of five-turn system.
建武2年（1335年）の政変に足利尊氏に従い畿内・西国を転戦、南朝軍に追われ九州に出奔していた尊氏が反攻で京都を回復すると、因幡・但馬両国の守護職に任じられまた、室町幕府評定衆・五番制内談衆の二番頭人をも歴任した。