When Takauji dismissed Moronao from his position as steward, Moronao and his brother KO no Moroyasu attacked Tadayoshi in 1349, and Tadayoshi was surrounded by a large army at the residence of Takauji to which he fled.
尊氏が師直の執事職を解任すると、1349年（正平4年/貞和5年）に師直とその兄弟の高師泰は直義を襲撃し、直義が逃げ込んだ尊氏邸を大軍をもって包囲した。