" Okay, all finished," she said. "Here, shithead, spread these out behind you." And she tossed me her jeans, shirt and (gulp) bra. I could only see th... windbreaker from here, but Dad must have been able to see her panties.Now, I hadn't thought about my sister naked before, but the image was definitely coming to mind now, and I realized it would have been a very exciting thing. I imagined her 18-year-old body, slim, supple, with full breasts. I had never seen them before, but my mind filled in. In my rush last night I had caught glimpses of her as I rutted into her but was finally able to absorb her form. She was truly striking, tall, athletic with two marvelously formed breasts that as yet defied gravity. Her high cheekbones and angular chin gave her an elfin look. My eyes drifted down her flat stomach to the sparse landing strip pointing to her cleft. Her legs were long and shapely, and I knew from last night quite strong. It was a wonder that the guys weren’t beating down the. " "Go ahead, then" said Sue. "Show us what it`s like when it`s hard." Both Tom and I stroked our cocks and got them fully hard, at least as hard as a 16 year old boy can make it. I knew that I mustn`t continue stroking. When I tossed off (as I called it in those days) I would ejaculate something from my cock. It wouldn`t be right for that to happen in front of my sister and Sue. "I`ve never before seen Fred and Tom naked and now I can see both of their pricks hard. I must say I like it. Can you. I knew I had to work hard to keep her on my side, and I was going to try my damnedest to not fuck up for a change.The bus ride downstate the next day was boring. Farm field after farm field, as flat as land could possibly be, and drearily cloudy and dim. I tried to sleep most of the way, but only managed to doze off and on for much of the trip.There was a magazine being passed around among the guys, with a lot of whispering and laughing going on. I tried to ignore it as it moved around the bus,.