Gillian squeezed my arm as I guided her into the theater. We stood in the doorway for just a minute to allow our eyes to get adjusted. As we looked ar...und there was one couple sitting in the back and several guys scattered through out. We walked almost to the front and sat down in the center of the aisle. We began watching the movie that showed a woman blowing one guy and being penetrated by two others at the same time. I put my hand on Gillian’s thigh as she leaned over and told me she thought. Through clenched teeth, she growled, "You are such a fucking pervert. I am your SISTER for God’s sake! Sisters don’t give their brother blowjobs. No way am I going to let you stick that monster in my mouth!”Donnie thought for a minute and then said, “Can I stick it in your pussy?“Absolutely not,” she growled!Donnie started crying again and moaned, “It hurts so bad, Lucy. I can’t stand it much longer. My balls have never felt so full and hurt so badly. I know if I can stick it in something warm. JR discovered ‘boys’ in high school, although she considered herself a late bloomer. The part of her that bloomed late included her upper torso. She’d been almost flat-chested until her sophomore year, and then her growth hormones kicked in with a vengeance. JR went from barely an A-cup to a D-cup in nine months. Some of her cheerleading cohorts teased her about getting a boob job, but she rightly insisted it was all Mother Nature.The change also made her curvier in other parts of her body as. This time there is something else there too - I remember the beautiful glass dildo and as quickly as the thought enters my mind, the dildo enters my ass, made more difficult because it is a lot thicker than her fingers and not soft and pliable. I tense myself for the insertion, then suddenly amazed to discover that the muscles in my anus are starting to relax, the dildo sliding in further and further, on each push, my cock standing up like a huge flagpole.The sensations washing over me are.