I reach between us and stroke you. You bite my nipple as I feel you get hard. You then reach between us and rub my pussy. You feel my wetness and smil.... I take hold of your cock and slide down on to you. We groan and look at each other. I put my hands on your shoulders and start to ride you. “You are such a naughty girl Mary, eating Cheryl’s cunt like that. Have you done that to her before? Hmm? Do you like the taste of pussy baby? Tell daddy…” you say as you guide me up and down on your. "I nodded and then turned to the door. It opened slowly and we could hear a rush of air as the seal around the door broke. The AI spoke. "This room has an independent air system, that is why there is a pressure differential."Linus looked a bit nervous. "This is going to be different," he said.We looked inside and found a small triangle shaped chamber with doors in the opposite walls. I stepped in and the others followed. The outside door closed and then the AI spoke. "To where do you wish to. It was a thick creamy substance with virtually no flavor. It did however, have a significant amount of vitamins and calories. She would only need to eat it once or twice a day to get most of her nutrition, with sporadic small meals in a week.While she was finishing her meal, I retrieved a straitjacket which I planned to have her wear in between stints in the arm binder. It would keep her arms completely useless still, but allow her shoulders to flex more in the other direction.I returned to. Vickie tugged on my boxers and they went to the floor.Vickie sensed my nervousness and said "Is this your first time?" I replied with a nervous smile and said "Yes." She grabbed my cock with her hand and slowly rubbed up and down my shaft 6 1/2 inch shaft. I felt something strange and then all of sudden my cock erupted into an orgasm. I had cum all over her hand. Though I was embarrassed Vickie laughed and brought her cum-covered hand to her mouth and licked it off. I couldn't believe she.