Yoshitaka OUCHI died because of internal conflict of the Ouchi clan, Haruhisa AMAKO, who became shugo for eight countries and the Sue clan, which used Yoshinaga OUCHI as a puppet acquired power and stood against each other, but the Ouchi clan was ruined by the attack by the Mori clan.
大内氏の内部争いによって大内義隆が死亡し、8ヶ国守護となった尼子晴久と大内義長を傀儡とする陶氏が共に力を持ち拮抗するが、大内氏は毛利氏に攻められ滅亡する。