However the then Muromachi bakufu was at the height of its prosperity under Yoshimitsu ASHIKAGA, the third Shogun, and he made peace with the bakufu by pledge of ryoto tetsuritsu (alternate accedence from two ancestries of imperial families) by Emperor Gokomatsu of the Northern Court and Yoshimitsu ASHIKAGA.
しかし当時の室町幕府は第3代将軍足利義満のもとで全盛期を迎えていたため、北朝の後小松天皇と足利義満が両統迭立を誓約した事によって、幕府と講和した。