Once again the two women switched as Cathy rode my cock and Ann kissed her and played with her tits until Ann made one more move and climbed over my u...per torso and moving up a little further, presented her cunt for me to suck on. Cathy was riding my cock even faster now as I buried my face into Ann's cunt and savored the taste of her juices. For more than a few minutes we stayed this way until Ann decided we needed a change and climbing off me moved down next to Cathy and as Cathy continued to. As I returned to mydesk, the forms were already waiting for me. I took a close look at them,they were "Informed consent" forms and, as I started to read, I realizedthey said I was aware there was some danger in visiting those labs. Thewhole form had three pages of tiny writing of an impossible to understandlegal gibberish, so I decided to sign it without reading to the end.In the first visit I received the first vaccine shot in the arm. Veratold me there would be more in the future. I got. She licked up and down, swiping her tongue over my slit, before slowly sliding my shaft into her mouth. She wrapped her lips around me, closing her eyes she seemed to just savour me for a moment, inhaling my scent, feeling the heat of my body, tasting the salty sweetness of my skin. As she slowly moved her mouth up and down my aching shaft, slowly sliding my cock in and out of her mouth. Feeling it slide between her lips, the head catching on her lips, before moving back down and feeling me hit. ..”She closes the circle.“Tight ... little...”She nods.“ ... pussy...”“Yes...?”“With my...”She holds her hands way apart.“Big...”She looks around and then attempts to pinch part of her belly.“Fat...”She nods. Then she tightly grabs my erection.“Cock!” I choke out.She relaxes her grip on me. “Now, all together.”“I feel like I’m rehearsing lines for a bad play.”She squeezes me again. “Say it!”“Um ... I’m going to crawl over there ... and I’m going to ... fuck your tight, little pussy with my big,.