When Prince Senju (Yoshiakira ASHIKAGA), the legitimate child of Takauji, joined his father, a large number of gokenin vassals from the Kanto region suddenly joined the anti-Shogunate army, and this led to the fall of the Kamakura shogunate.
高氏の嫡子千寿王（足利義詮）が合流すると関東の御家人が雪崩を打って倒幕軍に寝返り、鎌倉を陥落させる。