Following the precedent that MINAMOTO no Yoshiie stopped the occurrence of a mysterious affair by generating sounds by beating the string of a bow, close aides to the emperor instructed MINAMOTO no Yorimasa, who was an expert with a bow and arrow, to kill the mysterious creature.
側近たちはかつて源義家が弓を鳴らして怪事をやませた前例に倣って、弓の達人である源頼政に怪物退治を命じた。