A little bit of brutal handjob and facesitting are used by cruel nurses when in need to get cum smaples
Girls are testing male ability to get hard: all three are naked - test subject, the nurse and sexy doctor
Couple is visiting doctor: both are undressed, put on all fours and having their asses probed
CFNM scene where male is following nurse commands: stripping down, showing some physical activity and providing his penis for tests
