In the Battle of Osaka Natsu no Jin (Summer Siege of Osaka), he took a part in battles of Domyoji War, Tennoji War, and Okayama War as a Yoriki (lower-ranked Samurai) to clear his reputation in the Fuyu no Jin.
大坂夏の陣では真田信繁の寄騎として冬の陣の汚名を晴らすべく道明寺の戦いや天王寺・岡山の戦いを転戦。