.what is that?" He smiled and pricked the skin on her left buttock with the needle, before pushing it in and injecting the serum. "You'll find out soo... enough what it does. It's a drug that has to be injected into the muscle rather than the bloodstream, it'll do you no harm anyway. And it'll do our situation good!" He grinned. "Now, how does that asshole feel, whore? Keep fingering it, I need to see you work your little body for me." His evil was apparent now, and Sabrina just kept complying.. She looked surprised and said “moist, wet even. So Rita you were aroused by my spanking?” “More than I imagined I would be Tessa” she answered smiling, but looking comical with her tear stained face. “I see, then maybe you should feel me then” she stated. Rita felt under Tessa’s skirt. “No, go inside my knickers Rita.” Rita slipped her hand over the waistband of the teenager’s knickers and gasped when she felt the wetness. “Oh” she said. “And your nipples are so erect Tessa” Rita. I look forward to being your obedient slave."Dave stood and pulled her to her feet and gave her a gentle kiss."You do me a great honour Sophie and I will do my best to be a considerate master and meet your need as well as my own."Then he looked over at Bill, "I know I am probably doing this with your consent Bill, but I will not to interfere in the relationship you have with your wife. Our arrangements will always be considerate of your position." Thank you for that Dave, but as I am also your. " I did so and Karen crawled between my legs. I gasped with pleasure as I felt Karen's warm hand close around my dick and begin slowly pumping up and down. "Mmmmh, doesn't that feel good Brian? You like the feeling of your big sister's hand stroking your hard cock? Do you?" Yes, yes!" I stammered."Yeah, I thought so. Then you're gonna love this." Karen ran the tip of her tongue all around the head of my cock, licking at the piss slit and tasting the pre-cum that was flowing out of me as.