Tim admires the view of their nearly identical asses only half covered by their bikini bottoms. While certainly not thongs, their swimsuit bottoms are...cut high enough to leave a lot of flesh exposed."Maybe you should do me and let Paul put sunscreen on Sharon," Rhonda says. "I don't want to lose you two for the afternoon if you get carried away," she smiles."Rhonda!" Sharon admonishes but her heart is beating rapidly at the thought of her brother touching her naked skin. She squeezes her thighs. Bob, you keep going but pull him back up against you so I can get at his cock. Poor thing, it looks like it's about to explode!" Which was certainly true! Bob ceased his pounding and wrapped a strong arm around my chest and pulled my torso back to his. The pressure inside shifted but he managed to keep most of his cock inside me, as I was straddling him with my hips higher than his. Now that I was next to him he pinched my nipples, sending delicious shocks through my delirious body."Here's the. .." "What?" he asked, continuing to pound her pussy and massage her clit. "Do you need to come?" She didn't know what that meant! "I just- I need... Please!" she panted. "This?" he asked joyfully as he applied just a little more pressure to her clit. "Yes! Yes! Yes! she screamed. Her body exploded in her first orgasm. SHe felt her already swollen tight pussy walls convulse around his huge prick. It must have been too much for him to be squeezed even tighter because he pumped into her three. Well lately I began just wearing my cotton boxers in the morning when we would drink out coffee on the front porch watching the neighborhood wake, most of these mornings she wore shorts and a tank top no bra and I would get a peek of boob no nipple. Well we chatted and I would tease a bit and we would talk a little about sex. So one morning I said that I really enjoyed being able to sit here in my comfortable boxers, look at your garden, the birds and your boobs. She said " What about my.