As feuds between Takauji ASHIKAGA and his younger brother Tadayoshi ASHIKAGA became more severe in 1351, Takauji left for Kamakura to put down Tadayoshi by temporarily taking the side of the Southern Court.
1351年、足利尊氏とその弟・足利直義との確執が深刻となると、尊氏は一時南朝側に降って直義討伐のために鎌倉に出陣した。