Before long, the Jisho-Juei War broke out and Michimori fought in one place after another; however, the Heike clan suffered a crushing loss to MINAMOTO no Yoshinaka, and in 1183, they were finally forced out from Kyo (the capital, namely Kyoto.)
やがて、治承・寿永の乱がはじまり、通盛は各地を転戦するが、平家は源義仲に大敗を喫し、寿永2年（1183年）ついに都落ちを余儀なくされた。