Female Ninjas Magic Chronicles 3: Sacred Book of Sexual Positions (1993)
Original title: くノ一忍法帖III 秘戯伝説の怪
Female Ninjas Magic Chronicles 3: Sacred Book of Sexual Positions is a 1993 Japanese-language action movie directed by Masaru Tsushima, with a running time of 1h 13m. It stars Shiho Wakabayashi, Masuhiko Ida and Marino Hase.
The government is worried that the Emperor will have no children because he can’t get an erection. The female ninjas try to find a sacred book that will help him, but they face a stiff challenge.