She led me to a display and began explaining one particular toy. I wasn't going to buy it, but I got really turned on as she told me the various ways ...it could be used- watching her pretty mouth shape and say 'pussy' and 'cock ring' had me tingling. I said I would take a look around and see what appealed. I settled on a shapely, pretty dildo vibe styled as a g-spot stimulator. The shape intrigued me- at the base it looked like any other vibrating toy, but after about 5 inches, it tapered. She looked at it for only a moment as it splattered onto my chest then took my cock back in her mouth using her lips to masturbate me. And now Emily did one more thing that caught me totally unprepared. As I continued to cum in her mouth she began to swallow in big gulps. I couldn’t believe my sister, who until this week I’d never seen in anything less revealing then her pajamas, was sucking my exploding cock and swallowing every bit of cum I could produce.The feeling was so unbelievable that. His fingers now found her small breasts and began to fondle them through the material as her fingers moved toward his crotch. Now she rose and he helped ease the dress over her head so she only stood in bra and knickers as he slipped out of his clothes to stand beside her just in his well tented soaking underpants. They leaned against the door and resumed their snogging as he unclipped her bra and then let it fall on her dress, then kissed her perfectly formed boobs taking time to gently suck. The plant screen gives the porch a very nice vibe and provides a good deal of privacy.“Bret and I sat on the loveseat and Rob sat across from us. As we were talking I noticed that Rob’s eyes kept dropping to my lap. I realized that I wasn’t in a very lady-like position. I had one knee up on the cushion and my legs were pretty open. I wasn’t sure how far up my dress he could see but it was definitely kind of fun. Sometimes wearing a little bit can be so much sexier than being naked.”“You mean.