I held back on masturbating, I wanted that cock to have the honors. As the last drops of piss hit the ground, he pulled me to my feet, and our lips ma...hed together. His tongue quickly pried my lips apart, and I growled with need as I felt his tongue probing my mouth. He picked me up, and laid me down on the blanket. He smiled down at me as I saw him take his place between my wide open thighs. This was it, I was gonna be a virgin no longer.I felt him nudge gently against my opening, and the head. I was still his big sister "confident."Frank was tall, thin, and gangly. He was definitely a late bloomer physically as well as emotionally. He was long past that snotty stage. He had become quite mature and level headed.Frank's eighteenth birthday was in February. He graduated high school at the end of May. Our parents left for Europe two weeks later for a three month visit with relatives in different countries and to just sight see in between visits. That left Frank and me to hold down the. Couldn’t believe that swim suit you sent. Mike likes.” Then, a picture of her and Mike snuggled together at the pool came in. The suit showed her exactly like I was hoping. She had apparently just been in the water and it clung to her like skin, showing her nipples like it wasn’t even there. It clung to her, making her look like one of the Sports Illustrated body paint models. Where was the wet t-shirt competition when you needed one? But, it wasn’t the swimsuit or her nearly bare nipples that. After a few minutes, she was surprised when his balls drew up closer to his body, leaving the warmth of her hand. The head of his cock had turned purple and it seemed to swell even more. When he suddenly went rigid and held his breath, she knew he was close. She felt the pulses in his cock before a ribbon of come shot out the end. The first, second, third, and then the fourth major ribbon of come was released, each not quite as forceful as the previous one. He groaned as he said, “Less pressure.