It is said that the dance was designed based on the legend where Susanoo and his son Isotakeru no kami, who went to Silla after being expelled from Heaven, experienced torrential rain in the region of Soshimori and protected themselves from the rain by making straw hats from straw.
天を逐われて新羅に渡ったスサノオとその子五十猛神が曽尸茂利（そしもり）の地で大雨にあい、青草で作った簑笠で雨を凌いだという故事を基にしてできた舞と伝えられる。