4K ultra-high-definition images make it even easier to understand！！Overwhelming volume, 4 hours！！
Head, upper body, lower body, female genitalia, uterus, anus... and other parts of the female body. The basic techniques & principles of SM are applied to methods for developing sexual sensitivity. Golden Returns sensei, famous for his involvement in bondage accidents and related activities, teaches you in detail with practical video demonstrations. No more relying on SM gear alone!
