On November 2, Nobunari visited Kiyosu-jo Castle for inquiry of Nobunaga; however he was killed by Hidetaka KAWAJIRI in tsugi-no-ma (anteroom of the main formal reception) of north castle tower of Kiyosu-jo Castle, under the order of Nobunaga.
そして、11月2日に清洲城へ信長の見舞いに行ったが、清洲城北櫓天主次の間で信長の命を受けた河尻秀隆に暗殺された。