At the same time, he made Yukitaka SANADA attack Amakazari-jo Castle in the eastern part of Zenkoji-daira (located in Matsushiro, Nagano City, Nagano Prefecture), taking the castle in August.
同時に真田幸隆に善光寺平東部の尼巌城（長野県長野市松代）を攻めさせ、8月にこれを陥れた。