Because of the series of bad conditions such as Junkei was too young and Junsei died in 1564, the Tsutsui clan didn't have any power to even control their own troops, and in the Battle of Tsutsui-jo Castle, their base Tsutsui-jo Castle finally fell to Hisahide, and Junkei was exiled from Yamato.
順慶は幼少で、しかも順政も1564年に死去という悪条件が重なった筒井氏には軍の統率が取れず、筒井城を久秀に奪われた（筒井城の戦い）順慶は大和から追放された。