After giving him 5 minutes and all girls back with their tops on, I went to the house to talk to Andy. I knew that would be my best chance to get Andy...alone. Once in the house, Andy was fixing himself a drink in the kitchen. I asked why he was so angry? He said he did not like his sister going topless in front of his friends. I asked him if he liked me going topless? He nodded yes. I then spent 10 minutes talking to him that there is no difference between me or Julie doing that and him having. Shes as silent as a hunter. As soon as Im done, I turn and find her taking the skin off one of the potatoes on the sink. Wash your hands first. You clearly know not a thing about hygiene, huh? I elbow her, smiling slightly. She turns, her flaming red and curvy hair bouncing. Her smile is dazzling as she laughs, her teeth perfect white squares and her lips as pink as a pink roses. I look away and ahead, not daring to think of her this way. I assigned Hayley as one of the investigators for an. The whole act was turning us both on a hell of a lot. For me, it being the first to do this in front of anyone. I had told her about how I would sometimes come so hard while masturbating, I'd unintentionally end up shooting some of my cum onto my face. She loved hearing about it. I told her was about to come and since my hair is a little long, she began to brush any hair from my face and actually using her thighs and pussy to hold it all back. I of course waited till as close I could to coming. I was now 18yrs old.One early Saturday my mother and sister headed out shopping, as soon as I heard the car leave, I locked the front door and I headed to mothers room to dress up like a little slut and masturbate. First I stopped in the washroom and shaved my cock and legs getting aroused with each task, then continued to Mom's room.I chose a pair of 5 inch white heels, white stockings, red panties, red bra, and black leather micro skirt from her wide array of clothing.Once I was dressed I sat.