When his father Nobumori became the commander in the siege of the Ishiyama Hongan-ji Temple following the death of Naomasa BAN, he assisted his father and was dispatched with a reinforcement troop in various places in the Kinai region (the five capital provinces surrounding the ancient capitals of Nara and Kyoto).
塙直政の戦死によって父・信盛が石山本願寺攻めの指揮官になるとこれを補佐し、平行して畿内各地に援軍として出兵した。