Getting cum samples is not easy: bitches are using trampling, strap-on and cock teasing to make test subject ejaculate
Sluts are taking advantage of naked boy: laughing at him and teasing his cock with their feet
Mad scientists ate checking out if cum can be pumped out of the balls with electric shocking device
Girls has to use little bit of force when in need of examining cock and milking cum samples
Naked nurses are stroking his cock but then denying orgasm and fucking his ass with strap-on instead
Handjob is a good thing but not in case when femdom nurses are going beyond the limits twisting your nipples and stroking your cock like crazy
