In this way, the Retired Emperor Sutoku, who became frustrated after having been excluded from the decision of the imperial succession, became associated with Yorinaga, who was kept at a distance from the Cloistered Emperor Toba by Bifukumon-in, and with Yorinaga's father Tadazane; and the Hogen War broke out immediately after the demise of Toba-in on August 2, 1156.
こうして皇位継承から排除され不満が募る崇徳上皇と、美福門院によって鳥羽法皇から遠ざけられた頼長とその父忠実が結びつき、保元元年（1156年）7月8日(旧暦)、鳥羽院の崩後まもなく、保元の乱が勃発。