 In addition to a popular film, released in 1974, this novel inspired a series of nine books, and a new series of Nikkatsu "Roman porno" films released between 1985 and 1987.In 1974, after years of negotiations, Nikkatsu finally succeeded in recruiting Tani for their "Roman porno" series by agreeing to her request that her first film be based on Dan's "Flower and Snake".Dan and Tani had objected to departures from Dan's story made in the film's script by director Masaru Konuma and script-writer Yozo Tanaka.