He had managed to unbutton my blouse during our kiss and my breasts were now exposed in the moon light, he started to fondle them both, and slowly sta...ted kissing and sucking on my nipples. My back curved back, and I felt my pelvic area being pushed up, the feelings I was having were so wonderful, more than anything I had ever experienced. I was both excited and scared, not knowing what was to come next. He took my hand and placed it over his groin. I could feel his very hard penis through. I held sis and petted her head, neck and back, fearing to touch her because of my lust for her.Sally whispered "mom left a message on the machine she is coming home late tonight after midnight and has a big meeting. I want us to go to my room, you and me will make out, and you are going to get lucky and don't need a condom, you will be fucking me like you always wanted to. Your going to be my only sex partner now, Josh has been fucking me for over two years, and I need a man, if you refuse then. Finally I heard Professor Lambeau say that he had work to do and would call whoever he was talking to back later. Once off the phone he said to me, Im about to cum, get ready for it. I moved my hand up to the base of the cock so I could start feeling it. My mouth didnt go as deep on the cock as it had been in anticipation. Another one of the power-plays was coming. While normally he liked a girl swallowing, the first time, he wanted her to wear his cum as another sign of domination. It only. Then thegirl's voice laughed and reminded me that Mum will see nothing wrong. Sheis part of the magic. That means her mind is slurred between what ispretty on a boy and how a boy really should be dressed. The girl was right. Mum came and helped me pick with what she called apretty nightdress; she also advised that I put some lovely white tightson, as it would get cold that night. I looked at Mum in despair. How couldshe tell me to put on a "pretty" nightdress on? I picked one with frillycloth.