Both Trudy and Tricia, David's younger sister, were well acquainted with the handsome lad's naked body. They had used it for their pleasure on more th...n one occasion. It they were not already dressed, they would have shared the shower with him. Tricia picked up his sweaty jock-strap off the carpet and swung it under her friend's nostrils because she knew how kinky Trudy was about getting her brother's scent at special times. Trudy's kinkiness was exciting to Tricia and she loved to tantalize. I was slightly taller and had a more endowed chest. Though she had an appealing rack, size C. I am the yin to her yang, so to speak. Where she is light and colorful, I preferred dark shades, especially black. My hair is dark brown, often dyed black with streaks of bold colors like blue, pink, etc. My eyes are hazel with one eye actually lighter than the other. Don't misunderstand me, my personality is exactly like hers. I just prefer an darker lifestyle. It suites me, quite well may I add. Both. And I knew what would happen if we stayed there. And that scared me.Katie started climbing out of the hot tub. I was staring at her ass. I was getting hard again in my shorts. I leaned up and touched her arm. She turned around and looked at me. I said softly, "Come back in. Please."She hesitated. I looked at her and smiled."I mean it. Please. Come back in." I said.Much to my surprise, Katie lowered herself back into the hot, steaming bubbly tub water.I stood there looking at her. She stared at. I told Carmen she probably made a good decision on staying over and she said snow or no snow she wasn't going to pass up a night with me! I just smiled and said she could help gather my last sperm sample.. she looked at me with a surprised expression and asked if it hurt, how long before I had sex, did it feel different and yes she would be glad to help.We got to the room and it had a single queen bed. Carmen exclaimed just right and sat down to disrobe. To better describe Carmen she was 5'6".