Outside the glass wall of the shower, I saw that the door to the linen closet was partially open. I stared at it suspiciously. I deduced instantly wha... was going on. You little bitch, I thought.Quickly, I twisted off the shower, jerked open the shower door, stepped out, and approached the linen closet. I heard more noises from within, unmistakable feminine gasps. Yup, I was right.I jerked open the door, still naked and dripping with water. And there was the little brat, my kid sister Tina,. Oh yes. Oh God yes! Fuck me Mark”, I hard my voice screaming, “Fuck me hard and fuck me now!”His cock was buried deep inside me and it went in and out as I humped my pussy on it shamelessly like a dog bitch in heat. We were fucking standing up and it felt unbelievable. I began to cum! I was cumming from Mark’s cock, a cock orgasm. Yes that’s what I want, a cock orgasm! Faster and faster, harder and harder we fucked and higher and higher I went. It was so damn good, a cock orgasm, and my first. I moved about the foreign kitchen noticing that all the items I needed where logically placed in the same places I have them in my kitchen at home. I set the table, poured out juice and coffee. Just as I finished Joe came down the hall and sat with me. We ate and talked, ignoring the spectacle I just made of myself. After breakfast we did the dishes together and put them all away. He showed me where he put my clothing bag in the second bedroom. As we stood there next to this large queen bed and. I couldn't avoid noticing that her nipples were hard as she wrapped her fingers around my cock and began to slide them along it. A moment later, she bent forward and wrapped her lips round the tip of me cock and I felt her tongue at work.I found my voice at last. "Uh, Roz, you don't want to do that..."She drew her head back. "Why? Don't you like it? You seemed to like it when mum did it earlier." No, no! I love it, but you saw what happened when you do it enough: I cum all over the place. You.