Facesitting, harsh cock stroking and high heel balls trampling are parts of modern medical procedures
Big and strong stud turns out to be submissive: going on all fours so girls could do anal probing
Medical student sluts are studying penis: examining, measuring it and then milking cum samples
Unhuman tests where girls are trying to get man hard by channeling electricity through is body
Mad scientists ate checking out if cum can be pumped out of the balls with electric shocking device
Nurse sluts are forcing male test subject to watch them naked and to masturbate with no chances of cumming
