On February 13, 1160 (December 27, 1159, in old lunar calendar), the decisive battle was fought between Kiyomori and Yoshitomo; Yorimasa, who found no meaning in following Nobuyori, ultimately took sides with Kiyomori who supported the Emperor.
12月27日、清盛と義朝の決戦が行われたとき、信頼に従う意味を失った頼政は最終的には二条天皇を擁する清盛に味方した。