"You Know, something really special outside, if you follow my drift!" she added."I will work something out, you kinky bitch!" I chided as I gave her a...quick kiss on the cheek.Although the week dragged, I had an idea forming in my mind. By Friday morning, all the basics were in place. A quick phone call to Eleanor would settle the few remaining details. "Eleanor, this is Ray! Saturday night will it be just you and me or will the others be joining us?" I asked."Apparently George will be out of. He was hoping this might give his penis a chance to ‘calm down’ - but not so. Somehow the action of undressing in front of everyone and having three other naked bodies right in front of him seemed to be arousing him even more. It was terrifying but also quite erotic and Jack’s penis responded to the call. It began to press harder and more firmly into the cloth of his striped pajamas. Gloria’s cute little breasts right in front of him were not helping either.Jack’s pajama shirt was hanging. I took a brief moment to admire my sisters beautiful friend, and was having a hard time deciding who was hotter. On the right side stood my sister, around 5'1, blond hair, blue eyes, perfect body, the normal captain of the cheerleading squad look. On the left is this other girl named krystal, about 5'6, fiery red hair, beautiful white complection. She had around larger C maybe even in the D range. She had long beautiful legs which seemed like they would squeeze you so tight you head would. ”I just nod, licking my lips while I stare at the bulge in his pants.When we get to the basement, I notice an odd contraption with a wooden frame and nylon straps.“What’s that thing?” I ask.Ray tells me something about hang gliding or something. I wasn’t really paying attention to the words, his cock had my attention again.“Want to see how it works?” he asked. I blink, looking up at his face, mine turns red.“Um, sure,” I say, not really sure how to even get into that thing. I hesitate.“Go.