This sad love story is cited in "Heike Monogatari" (The tale of the Heike) and became famous when Chogyu TAKAYAMA published "Takiguchi Nyudo," an adaptation of the sad love story, in 1894.
この悲恋は『平家物語』にあり、1894年に高山樗牛がそれらを題材に『滝口入道』を発表し、有名になった。