Taking the death of Kazumasa SOGO who was a younger brother of Nagayoshi as an opportunity, Takamasa attacked the Kishiwada-jo Castle along with Munefusa YASUMI and Norimitsu YUSA.
長慶の弟である十河一存の死を契機として、高政は安見宗房、遊佐教光らを伴い岸和田城へ攻め入った。