Although he was asked for relief to Fukuoka-jo Castle from Norimune URAGAMI in 1483, he had been particular about the attack on Tajima which was the main domain of the Yamana clan and he was completely defeated at Mayumi-toge Pass while sending the reinforcement so that on the contrary Fukuoka-jo Castle fell by a pursuit to Harima Province.
文明_(日本)15年（1483年）に浦上則宗より福岡城への救援を求められたが、援軍を送る一方山名氏の本領である但馬攻めにこだわり真弓峠にて山名政豊に大敗し、逆に播磨へと追撃されて福岡城も陥落してしまった。