As she removed her mouth from mine, she said, "Don't say a thing you don't want those three to hear. Our room will soon be bugged, if it isn't already... The second they take an interest in you, they will check us out to the 'enth degree."That done, she undressed me, and as soon as Winnie had me at her mercy, she whispered once more, "Don't even think about having sex in my rear. It isn't going to happen, but we are going to play it up to the hilt, since you got such a blatant reaction out of. Lisa sat down leaving Jo and I still holding each other as we made our way to the mats.Lisa sat, drinking water, watching.I knelt on the mat in front of Joanne, my face close to her lycra covered pussy. I looked up at her. There was barely a bump in her chest to obscure the view of her face. She looked nervous, unsure. It wasn't my place to guide her but she seemed a little lost, out of her depth. I leant forward and kissed her shorts, right on her pussy and awaited my orders."Lie down please,". ‘I hear what I want to.’ she smiled turning to face him fully. ‘What are you doing?’ he questioned as she started to slowly close the distance that separated their bodies. Hesitantly, he began to back away for her approach. He jaw dropped as his back met the concrete enforced wall and he noticed her beautiful emerald eyes turned to a devilish shade of violet. ‘What you’ve wanted me to do all night.’ she breathed, pressing her supple body tight against his, penning him between her and the wall.. It was a planned progression of contact of proven effectiveness. However, this time it wasn’t me or Mom performing the action, it was Helen. I found myself reacting a little differently and that amused me. It was at times like this that it hit me how much I really did think of her as a little sister.Cody was getting insistent but I cooed to him that we would get on to it shortly and I continued to stroke his head as he licked my hip, thighs and between. I don’t know if he really understood me.