Yoshinaka, placed between the Taira family and Yoritomo, attacked In and took the Cloistered Emperor Goshirakawa into custody to gain the imperial decree to search for and kill MINAMOTO no Yoritomo.
平家と義経に挟まれた義仲は、院を攻め後白河法皇を拘束すると、頼朝追討の宣旨を引き出した。