In the twisted "Maniac Night," women captivated by rubber's eerie yet seductive allure submit to extreme torment to fulfill their deepest masochistic desires. Forced into masturbation, their bodies are driven to the brink of pleasure, consumed by primal lust that knows no limits. In Rubber Slave 3, Yuki Ayase enchants viewers with her performance, while in Rubber Slave 4, Nakamine Sayuri captivates with her own unique appeal. Both films showcase BDSM, restraint, female masochism, and masturbation. Recorded in ADV-R0164 and ADV-R0276.