He cooperated with the Southern Court (Japan) and fought for hegemony of Ise Province with the Toki clan who was Ise no kami (Governor of Ise Province) in the Northern Dynasty (Japan).
南朝_(日本)側に協力して北朝_(日本)側で伊勢守護を務めていた土岐氏と伊勢の支配権をめぐって争った。