Yoshinaka led a large army into Kyoto in August (July under the old lunar calendar), as the Taira clan and Emperor Antoku fled from the capital, and Emperor Goshirakawa summoned Yoshinaka to give an order to search for and kill the Taira clan including TAIRA no Munemori.
7月に平氏一門が安徳天皇と共に都を落ちると、大軍を率いて入京し、後白河天皇に召され平宗盛ら平氏追討の命を得る。