I knelt down behind him, rubbing my boobs on his bare back and reached around to unzip his pants, making it a point to fumble around quite a bit with ...he zipper and snap. It actually was a little difficult with how hard and poking into the material his cock was. When I finally had his pants open, I was still reaching around him, and as I started to push his pants down, I “accidentally” brushed my hand over his cock making it pop out through the opening in his boxers for all to see. Kirk groaned. Then my dick grew hard and I tried to stop it but to no avail, it slowly but surely shrank from my fingers and I became Jennifer again. I quietly ran into my sisters room and stole some of her clothing and then I went into my room. As I was getting into my room I felt the tingling and I watched as my dick grew back out, my tits shrank, my hair shortened, my nails shrank and my hips retracted. I was now Jason again, so I had to hide my sisters clothes. Just as I was putting my sisters. ”“I like that idea, it appeals to my exhibitionist streak. But what about you, what will you be wearing when she arrives?”“You tell me honey.”And that was just as it played out. When Janet arrived I greeted her at the door wearing just a shirt with all but one of the buttons undone. I love the tension of flaunting my large, thick cock to a new woman. This has an extra layer of tension as I take Janet’s hand and lead her to our bedroom where my lady is face down on our massage table, completely. This included my erection as well... Not surprising."Well done boy" Mistress commented as I hung limp, gasping for breath, the sweat saturating my body from head to foot... What a wonderful state to be in... "How are these doing Young man?" and I felt my pegs being pulled and tightened... Nipples and balls too... I had almost forgotten they were there with all the other sensations going on.Mistress' hand went to the small of my back, whilst the other hand gently pulled the butt plug from my.