"What a couple of lazy subbies I have," I laughed, seeing them both still in bed. "Mmmm, good morning Master. We weren't being lazy, it is just sooo ...comfortable in bed with you!" My pet said. "Well that may be, but we have a lot to do today. And I don't want Julie here to get the idea that I go easy on you," I said, giving pet's upturned ass a swat. Pet squealed happily then bounced out of bed, holding her ass and pretending it hurt. "Yes, Master!" "Now you two get in there and do whatever. It had gotten bigger since he had started talking. I gently ran my hand over his chest; slowly down to his pubic hair. I tangled my fingers in it gently, not daring to touch him yet. His hair was soft, yet coarse, I liked it. "I don't know Josh.. we shouldn't," I whispered against his chest, his chest was full and thick with soft hair. I loved the feeling of it against my cheek. It was darker on his chest and groin than it was on his head, it was almost black. I rubbed my check up and down his. I washed it but I didn’t know that it can be seen when it is dried.I tried few of my sisters clothes with a new panty and bra to feel and felt how would she pee wearing all those garments and I was horny and I was masturbating on her bed and to my bad luck my sister came in her room to see her brother wearing her nightie with new bra and panty at my ankles and shagging my cock using her used panties.She was shocked to see that and started screaming as to what I was doing and I was scared and I. As I thought of taking his sperm in my mouth I stroked faster and my orgasm erupted and spattered jizm all over my legs and on the bed sheets. I wiped some of the spunk up with my fingers and put them in my mouth, it tasted familiar and I liked the sensation.Over the next couple of days I thought about how much I had learned already, it had only been three weeks and since then I had learned how to masturbate and had done it dozens of times, had swallowed my own semen and was already thinking.