The fourth Shogun, Yoshimochi ASHIKAGA, who assumed the post of Shogun after Yoshimitsu's death, and a former Kanryo (shogunal deputy) Yoshimasa SHIBA and others were dissatisfied with the system that Japan had to pay tributes to the court of Ming unilaterally.
義満死後の4代将軍足利義持や前管領の斯波義将らは朝貢形式に不満を持った。