"Well ... I sometimes spank the girl a little to warm things up and ... your arse looks ... very spankable," he finally stammered."Fine," said Martha ...riskly, "Over your knee, or do you want me on the bed or on a bench?" On the bed, please," said Hubert, reassured by her professionalism, "and I'll cuff you into position."Martha piled several pillows on the bed and lay down with her belly on them and her hands and feet spread wide for him to handcuff into place. As she did so, the thought. One guy sat next to my sister, and the other 3 guys sat in front of us.We started casually talking, asking their names (Alex, Mathew, John, and Nick) and what they do. They were also getting to know us. They told us that they thought we were a couple, for which we told them we were siblings. We talked for about 20-25 minutes.Sis and I noticed that they were constantly staring at sister boobs and not saying anything. This made me horny. To break the ice, I said, “do you want to feel them?” Sis. And she was smart enough to dress herself, but not much more. Life would be so much simpler. But I knew what Tami would say if I brought it up I'd be bored in ten minutes and unfortunately, Tami would be right.Robbie hopped off her car as we approached. Watching her stand there waiting for us, I couldn't tell if I was in trouble or not. I reviewed the day and couldn't think of anything, aside from a crack about the number one student."Hi, Rob..."In a heartbeat, Robbie was in my arms her lips. Her hand was pressed into the crotch of the girl's panties, and the wet heat seemed to envelop Joan."Lovely titties," the girl whispered as she opened Joan's blouse. "Beautiful titties."The girl kissed each of Joan's tits in turn, then slipped to the floor on her knees. Joan sobbed once as the girl began to unzip her jeans. She wanted to stop this now, yet she didn't.Her jeans opened, and now Joan wished she had worn panties. The girl held her jeans open, her tongue running along Joan's.