...and I wanted to help. I pulled back and un-did his jeans as he whispered "are you sure?"......I nodded yes, that I was. As soon as his thick and ...aging cock was free I had it in my mouth and then deep in my throat. His breathing was quick and shallow and he was loving it. I felt his hands on my shoulders as they slid my bra straps aside. Since my bra had a front-clasp I quickly undid it and let it fall to the floor. He quickly cupped my breasts in his hands which made him breathe a little. . real hard…” and slapped me. I was shocked and slapped her back as I gave a strong push.“Aaaah” she moaned “That’s what I want do it again”I took out my dick completely and gave another strong push. “aaah yes tear my pussy apart do it do it do it again motherfucker” and I started fucking her at full speed as I was biting her nipples and pinching her boobs. She was caressing my hair pushing it harder against her boobs. She even scratched my back with her nails. “aaaw” I shouted in pain and. " The professor concluded and to prove it, had Ed lift his shirt to reveal a little pussy. Exactly was a young girl of that age would have. "How long does it last, Professor?" Ben asked."Until they're changed back. The machine doesn't have a timer." He finished. "Thank you, Ed."Ed stepped back into the machine and transformed back into him self again. He walked out and blew Ben a little kiss as he left. We found out a bit more information about how the machine worked. It wasn't that difficult.. But that hasn’t been the case. Instead, the two of us have been playing a game of cat-and-mouse over the past few months. For days at a time, her shades will be closed. But then I guess she gets tired of living without daylight, and is willing to risk being seen. She has a pretty solid system set up, that seems to work for both us us. When she puts on a bra, she moves away from the window and turns her back to me, perhaps not knowing that I can still see her tits pretty clearly from the side..