The romance between Oman and Gengobei was known from around the 17th century by the song "Looking down into a valley from a top of a high mountain, sweet Oman is hanging sarashi (long white cloth)
おまん（小万）源五兵衛の情話は、17世紀ごろから「高い山から谷底見れば、小万かわいや晒ほす。