" Oh, you're really getting off on that, aren't you?" Yes." We're not supposed to be having sex, but we are," I moaned, rising with him again. "It'd b... better if we were genetically related, but we're step-siblings, and that does mean you can get me pregnant too," I mentioned, bringing his hands to my melons again. "And these would get bigger too. They'd fill up with milk and get so big that you'd have to milk me from time to time. I know I'm smaller than you, but I'm up to the challenge to. And she nodded. "Good".He got up from her. "Stay there". She saw the bulge in his pants and was even more surprised when he dropped his pants and she could see his massive cock emerge. It was long and thick and standing firmly upwards. He moved towards her again and forced her head to the side."Do you like it?" She nodded. "Good...then open that mouth..now"As she did, he brought in his cock. It was warm, somewhat salty but the taste of it...she loved it. He forced it in her mouth deeply and. Around all these girls, it is only prudent I wear the tube. I huffily point out that special relativity, is about a constant velocity,where different observers conclude different results depending on their relativemotion. Laughing she points at my pokey and says she has concludes a relativemotion and politely requests what my frame of reference is telling me. "Grrrrrrrrrrrrr – okyour point is taken". "At least let me wear trousers?" "Well, I don't have a problem with that. But you must promise. I could see that he was looking at thepanties I had been wearing; they were laying inside-out across the endof the bench. Next he stepped over to the locker itself and picked upone of my breast forms from the top shelf. Cupping it in his hand for amoment he smiled and said: "B cup, I believe."That was all I could take, I collapsed onto the bench and began to sob.As much as I had cried since Debi died I wouldn't have thought that anymore tears were possible but they flowed freely anyway..