He continued to fight an intense battle against Hisahide MATSUNAGA (Battle of Tsutsui-jo Castle, Battle of Daibutsu-den Hall [the Great Buddha hall] of Todai-ji Temple) for control of Yamato Province and continued to support Junkei even during a crisis in which the castle of the Tsutsui clan was temporarily lost.
大和国の覇権を争って松永久秀との厳しい戦い（筒井城の戦い、東大寺大仏殿の戦い）を続け、一時は筒井家の居城さえ失うほどの苦境に立たされても順慶を支え続けた。