In July of the same year, they launched a battle against the lord of Yagi-jo Castle, Arikatsu NAITO who had a certain degree of power in the area at the time, and attacked Yagi-jo Castle.
同年6月、当時この地域の一定の勢力を保っていた八木城の城主内藤有勝に軍を向かわせ、八木城を攻城した。