"Everyone just burst out laughing, except me of course.Billie put his hand on my knee and said that they wanted to conduct anexperiment in relation to...porn as part of an assignment he was workingon, and in a moment of weakness I agreed. The experiment was that I wasto pick out from the internet some porn and then they would pick outsome porn themselves and I would be asked to look at both. Theassignment is to undertand what causes the greatest arrousal. So I was handed the laptop and typed. .. but not an experiment per se. There had to be more. There was."So I thought I'd check out her sexual reactions, got the Wisdom to start bleeding aphrodisiacs into her environment – subtly at first, the sort of levels that might make the likes of us a bit frisky, a bit more aware of things sexual, but then in increasing dosages. As of now, I've reached concentrations where – well, if you go into that area, go masked, else we'll have to tie you to a post for a few months for the safety of all. ”I laughed as she carried on fucking me and jerking my hard cock. Her fingers seemed to glide over the tip of my cock, and she started jerking just the tip. All the pleasure seemed to shoot to the tip of my cock and my body could hardly handle it. She seemed to laugh as I grunted and groaned, trying not to bust my nut too fast.I let out a low groan as she let go of my cock just as I started to cum. She laughed at me, saving my ruined orgasm. She laughed as my cock twitched and ached from not. Unable to resist any longer, I darted my tongue out and pushed it inside her moist slit, moaning slightly under my breath as I tried to lap up her bitter-sweet juices. My hands still roaming over her glorious soft thighs, I settled down into a rhythm, bobbing my head back and forth so that I was literally fucking her pussy with tongue. Slowly, I felt Aubrey release her grip on my head, her hips now beginning to gyrate as she ground her pussy into my face, and I was suddenly aware of her fingers.