It is said that a young girl who lived in seclusion on Mt. Minobu, often appeared to listen to sutra chanting and Buddhist sermons performed by Nichiren at the Koza stone (the stage on which Nichiren sat) in Myosekibo Temple; in fact she was a dragon living in Mt. Shichimen and she came to be enshrined as the guardian goddess of Kuon-ji Temple after being enlightened by Nichiren.
身延山に隠棲していて現在の妙石坊の高座石で日蓮の読経と法話を拝聴するために度々現れた若い娘が、実は七面山に棲む竜の変化した姿であり、日蓮の教化により久遠寺の守護神として祀られるようになったという。