He then handed it to me and told me to put it on. It seemed strange but I did as he said. My penis was about halfway through the condom. He then said ...�� now don’t go nuts just let me try this. He stepped up to me and inserted his penis into the open end of the condom until the heads of our penises touched. He then started to slowly stroke his with one hand while picking up pictures of her with the other and holding them for me to see. I was by now aroused enough to go with it so I started. The red halter top she was wearing accented her large breasts, which I guessed to be in the D cup range, while the shorts she had on played well to show off her long legs. And though she was my sister I felt my dick move around in my pants.?Hey,? I said as I gave my sister a hug. She pressed those massive tits into my chest and I hoped she couldn?t feel my hardening prick. We held hands through the luggage claim routine and our walk to my car. I couldn?t get the thought out of my mind; my. "Nope! Think about it, Bob. You know me. I haven't got a "mommy" gene in my body. I don't even like kids. Especially babies. You know how those things get here? Ouch! Not from my body!" She leaned forward and kissed me, then pulled back to conversational distance again. "But that doesn't stop us from practicin'." Giggle. "Now, I wanna tub bath tonight. Is that okay?" Sure, sweetie. I can wash your back." She stood and then I stood, knees still shaky from that earth-shattering orgasm I'd just. I've learned that Kristina takes her boy friends anddating very seriously, so I've gotten good at "vanishing" whenever shebrings a boy over to the house on a weekend afternoon.Many weekends it's Karen who is visiting Kristina and every time I seeher I can't help but think about her sister Penny. Penny is exactly myage and she's a very pretty girl. She goes to the same school as I do andis in a couple of my classes. She has pretty light brown hair and a sweetsmile. Even though I've never talked.