Following Takauji ASHIKAGA, he joined the overthrowing the Kamakura shogunate and the battle against the Southern Court, which turned against the Kenmu Restoration Government, and became the Shugo (provincial military governor) of Izumi Province and then Kii Province.
足利尊氏に従い鎌倉幕府討幕、建武の新政から離反した後の南朝との戦いで和泉国、次いで紀伊国の守護となる。