..FLASH!The blinding flash caught me completely off guard. When it was over, Ilooked around feeling really dizzy. I knew that flash all too well now...even though it had been a few days since I had experienced it! The app!Had I just changed again?! But I didn't even have my phone out, howcould I have changed? 'Oh fuck,' I thought, 'I need to go check and seeif anything's different.' I looked around, I was still in Hell'sKitchen, that hadn't changed. It was still my birthday, I knew that.Did. “Relax,” she said as her hand rubbed the hard flesh of Brian’s cock inside the confines of his underwear. Brian nodded and tried. Emma grinned and sped up her rhythm a little, stroking the hard cock faster and working more on the tip, squeezing it lightly.Brian gasped and Emma let go of his cock and removed her hand from his underwear. It was time for him to have his first feel of a real woman she thought. That thought made her pussy tingle and become very wet.“Lay down Brian” she said pushing. Oh yes, you taste so good, all that lovely pre-cum dripping on my tongue. I look up at you and suck harder, my hand now grabbing your erect shaft and pulling the skin down tightly, exposing the beautiful head of your gorgeous cock. Oh my god, you're twitching now, I can feel your cum ready to explode on my tongue and lips. Yes, cum for me baby, fill my mouth with that lovely man-cream. Oh god, yes, that's it, cum for me now. Aaggh! Mmm.Oh, baby, so much cum. Watch me play with it as I open my. In a way, I felt like an over excited teenage boy who as about to pop his first cherry. While I wanted to just plunge ahead and get my own rocks off, I realized that for Joan’s benefit I should take my time and show her exactly what two beautiful females could accomplish for each other. It was important, I felt, to make this a near perfect experience for my student, one that she would want to repeat again and again, not only with me, but later in life with other members of her own sex..