Flower and Snake (花と蛇 - Hana to Hebi) (1974) is a Japanese soft-core S/M film starring Naomi Tani, directed by Masaru Konuma and produced by Nikkatsu. Based on a novel by Oniroku Dan (b. 1931), Japan's best-known author of S&M fiction, Flower and Snake was the first of Nikkatsu’s Roman Porno films to deal with an S&M theme. Together with the later Wife to be Sacrificed (also directed by Konuma in 1974, and starring the same female and male leads) this film is credited with starting the S&M Roman Porno series which helped save Nikkatsu from collapse during the 1970s.