I continued, "I looked it up and we can make a lot of money, but we must prove ourselves to be siblings, we need to have some sort of sex, and we must...show everything on camera." My sister nodded. "So let's start." She said. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~I got my sister to wear a blue nighty-blouse as we were about to start our sex scene. Basically it would be as though my sister was sleeping on her bed and I'd come in, and well, we'd. I’d noticed an old-fashioned key in the door when we entered, and I broke our embrace and went to the door and locked it.Turning around but staying by the door, I smiled seductively at Jason and without stepping out of my heels I dropped my denim mini-skirt to the floor and stepped out of it. I paused a moment to allow Jason to enjoy my long white legs, accentuated by the heels he’d bought me, and then continued the show. As slowly as I could, I unbuttoned my blouse, finally pulling the sides. I didn't want to stop and I'm still pretty hot and wet down there." Let me see." I slide down and move my hand between her legs. She moves her knees apart to allow my hand to touch her pussy lips. They are soaking wet and when I run my thumb up and down her slit she moans and puts her left hand down on the bed to steady herself. She's really hot and we only have a few minutes."I'm going to help you feel better, s*s" I say, as I push my middle finger up in her slippery, wet pussy and start. Looking over every in of your body, drinking it all in. The only sounds are the quick nervous breaths escaping your mouth and the slower more measured of mine. Again your heart flutters and you feel my hand graze across your skin and slowly my hands begin to explore your body leaving you no modesty.Just as suddenly the touches stop, you try to say something but a slap across your bottom silences you and you hear my voice for the first time telling you to kneel. “your mouth was not made for.