Legend has it that after MINAMOTO no Yoshinaka, or Yoshinaka KISO, had died Tomoe Gozen, his favorite concubine, made a thatched hut close to his graveyard and held a memorial service every day, declaring "I am only a woman whose name is unknown".
源義仲（木曾義仲）の死後、愛妾であった巴御前が墓所近くに草庵を結び、「われは名も無き女性」と称し、日々供養したことにはじまると伝えられる。