Moreover, after the Battle of Dannoura, Yoritomo let Yoshitsune return to Kyoto instead of detaining him in Kamakura, because he wanted to stir up Goshirakawa by making use of Yoshitsune, who had converted to a close retainer of the Cloistered Emperor after the complementary appointment as In no Miumaya no Tsukasa (retainer responsible for the stability of the Cloistered Emperor's government).
さらに壇ノ浦合戦後、義経を鎌倉で拘束せず京都へ帰したのは、院御厩司に補され院の側近となった義経を利用して後白河を挑発するためであった。