In 1338, Takauji became shogun while Tadayoshi was appointed to the Department of Military Affairs, and the two men led a duumvirate government with Takauji in charge of government affairs, becoming known as "The Two Shogun."
1338年（延元3年/暦応元年）に尊氏は征夷大将軍に、直義は兵衛府に任じられ、政務担当者として尊氏と二頭政治を行い「両将軍」と併称された。