They had nodded and smiled at each other as we entered. We stopped at the thong section.“ Do you wear these ?”, I whispered to Melissa, a bit emba...assed. “What do you think ? That I wear floppy white undies ? “ , she replied with a laugh.“Now that’s what I like”, she added, grabbing one which looked more like it was made of dental floss than cotton. “No way”, I replied, giving her a gentle push with my elbow. I noticed that the owner was looking at my aunt with a faint smile. Melissa must have. ” She slapped his face hard and a string of saliva escaped from his mouth around the ball gag and onto the hair on his chest. She turned his face up again. “You know, I might even let you fuck me one day. As much as I generally detest filthy cocks, you really are quite gorgeous. And blessed with what you have down there,” her eyes dropped momentarily, “you may even give me some pleasure!” Miss Stevens licked her lips. “Now, for being a good boy, and against my better judgement, I’m going to. For some reason, I was not all that surprised. In fact it turned me on to know my best friend had fucked her. As she told me, my cock got very hard again, and I fucked her for the second time that evening, giving her my best. I had fantasies in college of sharing her with Derek, just as we had shared many girls before, but never had the nerve to broach the subject to her. After, maybe the best fuck we ever had, Joy wondered out loud why her telling me that Derek had fucked her had turned me on. ..."no" I answer through my muddy mouth. And with that you release, "Oh I needed a piss". My head bowed, I'm drenched from your torrent of piss. You've been holding back for a while, you had this piss planned since your earlier text. You go back to playing with your clit, twisting it, pulling it, playing it. I continue to clean your boots until there is no visible mud left. I am exhausted, unable to quiet get up. You walk away from me about 10 yards, grab a hose and turn it on. "Here let me.