The reason isn't clear but he killed Nagatsune HATAKEYAMA, who had once been ousted, and during this period, there were signs that Nagamasa became big-headed in the Hatakeyama family.
事情は不明だが先に廃した畠山長経も殺害しており、長政の畠山家中での増長の兆しがこの頃には見えるようになっていた。