I had to go with my friends out, so I was on the verge of telling I can’t come and that moment she said there is no one at home.I thought we could s...udy well today. Hearing this all dirty thoughts started creeping into my mind. I couldn’t say no after hearing that. I immediately said yes and I could see happiness in her face. We decided to set off then itself as her parents wouldn’t normally allow any guys in their house after 7 and now the time was already 4. Since my bike was given to. I look at myself in the full body mirror on my wardrobe. Apparently my cock isn't the only thing that grew. My breasts grew as well, from B cup to now D cup. I grew a few inches taller as well, now 5 foot 8". My brunette hair is still the same, reaching my lower back. My curves got better too. And finally, my cock. Still erect, dripping precum, 16 inches long and 2 inches thick, throbbing to my heart beat accordingly, with balls the size of golf balls.I still think this is some sort of wacky. Why you do I have no clue.” Well the dance floor is calling me. “With that Shelle got up and left me sitting there as always feeling like the fool.Before I get too far ahead of myself I should probably explain who I am and what’s going on. My name is Tammy and Mishelle (Shelle) is my twin sister. Even though I’m the oldest by 3 minutes she always makes me feel like the youngest. Shelle is the tough one, the strong one. The I don’t take any crap from any man or woman. I admire her on so many. Within seconds, my wiener went soft serve, and I slowed down my thrusts like a puttering ’57 Chevy. After I’d come to a complete halt, she looked into my eyes, dejected. I spoke. “Sorry, uh, all that tickling wore me out.” She looked away. “Yeah.” I rolled off her and faked a giant sigh as if I was exhausted. “Long day, huh?” Pam asked. “Big time,” I said. “I think I’m still hungover from last night.” This was a lie of course, but I had to say something. After “resting,” I took my condom.