This is CFNM part of medical examination where naked dude is taking activities in front of hot nurses
Getting naked and exposing ass on all fours is the way male should meet the nurses when getting ready for the examination
Naked nurses are stroking his cock but then denying orgasm and fucking his ass with strap-on instead
CFNM slave has to take some physical activity before nurses are going to be examining his small penis
Milking is too long and too painful when it is performed under the guidance of perverted female doctor