However, when the Western side lost the Battle of Sekigahara, he went over to the Eastern side and attacked Tottori-jo Castle in the Inaba Province, the castle of Nagafusa MIYABE who sided with the Western side.
しかし、関ヶ原で西軍が敗れると東軍に寝返って、西軍に与した宮部長房の居城・因幡国鳥取城を攻めた。