Her ass is your reward

You feel someone get onto the bed and straddle your head. Then you feel a large mound of flesh press down on your face, cutting of your air. It´s covered in latex, but you´ve subbed enough to recognise an ass on your face. Your nose is right in the butthole.

Kim wiggles around for a bit Before letting you breath, then plomping down again and wiggling. She repeats this about ten times before she gets of.
"Well done ****. You´ve pleased me. Now its time to test you..."