As I was passing him, he smiled again, and I decided to return that smile but deliberately look down at his crotch as I wanted to see if he had any se...blance of an impending erection. He had on jogging trousers without a zip or fly front, so it was quite difficult to make out what he was hiding. I then walked past but stopped some yards away and turned around to see him do the same, so I turned around and went to another part of the park, more open and in view of anyone passing but I wanted to. I let out a soft moan, the pleasure I could feel building inside my pussy. While his finger explored the inside of my warm pink pussy his tongue moved in and out. My hips moved even more. “Oh… yes.” My pussy felt so good. I moved my hips back and forth to meet with his tongue so I could feel it wiggle deeper inside of me. His finger started moving with his tongue, I had to grab the back of his head to pull him closer into my pussy, I needed it deeper, I needed his tongue so bad! “Oh god, I need. " The professor sounded like a proud tour guide. "You may, however, look through the viewing windows." Somehow, as he spoke to us here on his turf he looked more like a keen scientist than a mad professor."This is all a part of a prehistoric mine complex that opens up into a series of natural caverns. There are cave paintings in some of them that are quite fascinating. We haven't had time to explore the rest of this complex. Our research comes first."Could we see the drawings, sir?" I asked him. They were a nice pair of lace boy shorts. He slowly removed her panties to reveal he lovely hair that covered her sopping wet hotness. We laid her down on the bed and he blindfolded her while I put the cuffs around her wrists and ankles.As Adrian started to straddle her to massage her, she squirmed as his cock started to touch her delicate skin. He slowly poured oil on her back, but and legs letting it slowly drip down her behind to her inner thighs and waiting pussy. He slowly started to rub.