When Yoshinori ASHIKAGA, the head priest of Enryakuji on Mt. Hiei, was chosen by lot to become Shogun, powerful daimyo families like the Toki, Akamatsu, and Ouchi clans actively interfered in the shogunal succession, trying to shore up the shogunal authority.
比叡山座主であった足利義教がくじ引きで将軍になると、土岐氏・赤松氏・大内氏らの有力守護大名の後継争いに積極的に干渉し将軍権力の強化に努めた。