That was gonna take some getting used to. I never called a woman Mistress before. I dress casual and hop in my car.I arrive at the address given to me...by my mistress. I still have thirty minutes to kill and I don't want to be early and seem to eager so I wait parked across the street from her house. I see the front door open and out walks this fox! She had on thigh high black leather boots. A sheer black silk robe, that was open and gave the impression of wings as she walked towards my car.. Granny then asked me to follow her to her room. Granny pulled off her t and laid back on her bed completely naked. "There, you can masturbate to me like this. The real thing" granny said. I stood there looking over her naked body. It was in really good shape, my cock got hard as steel. I dropped my shorts and started to stroke. But I felt uneasy with granny watching me. I stroked and stroked. Finally granny got off the bed and knelt in front of me. "Here let me help you with that." granny said. He held her for a few moments, not moving, letting her get her balance back. When she was steady again he pushed his finger back into her rosebud and started fucking her. He was building a rhythm in her, his finger and cock working nonstop, in and out, in and out. Both breathing hard as the need in them grew. She clenched her inner muscles and he grunted and sped up. “You are going to make me explode,” he leaned over her and growled in her ear. “Please do baby,” she breathed, “I want you’re hot. My butt pressed against his furry haunches, his fat dick spurting rhythmically inside me.After five minutes of cumming in me, I could feel his dick softening. His knot shrank until it popped out of me, Rex’s huge flaccid cock flopping out. It hung warm and wet on my thigh, a trail of cum running down my leg from the tip.A steam of his cum flowed out of me and onto the floor. Rex nuzzled me making sure I was ok, standing over me, guarding his property. I was laying on the leather bench, letting.