甘い鞭

The name of this movie is 甘い鞭 released in 2013-09-21 and it's main theme is When Naoko was a freshman in high school she was kidnapped and imprisoned by a man who lived next door. For one month, she went through hell. Finally, she killed the man and escaped. Now as an adult, Naoko is a doctor specializing in infertility treatment, but she also has another side. Naoko is a popular master in a S&M club..