Girls born into the Fujiwara clan would visit Oharano-jinja Shrine to pray that they would become empress or the emperor's second consort and, if their prayer came true, it became customary to organize a procession and make a pilgrimage back to the shrine.
藤原氏の家に女の子が生まれると、その子が皇后・中宮になれるようにと当社に祈願し、祈願通りになると行列を整えて当社に参詣することが通例となっていた。