Test subjects wearing restraint suits engage in intense intercourse. A female researcher joins in unexpectedly, having sex on the stairs. A female professor appears, tasting an extremely thick male test subject from behind. In a secluded room late at night, a surgical table shakes as fierce mating unfolds. Torrid sex scenes between a test subject office lady and a perverted, thick-built professor, with multiple consecutive orgasms matching the thrusting rhythm. A lewd professor and his assistant ravish a secretary office lady. The depraved secretary greedily takes two huge cocks into her mouth. Clone men and women, perfected as future sex pets, undergo mating experiments involving G-spot stimulation.