She was sitting on the steps, her elbows on her knees with her chin resting on her hands, watching him with an expression of mild amusement. She had l...ng white-blonde hair that framed her face. It was the colour of stardust, giving her a sort of ethereal quality. Her wide blue eyes, small pixie nose, and pouty little mouth made her look like an absolute dream.On any given day, Nate would have flirted with her, but as she was in his house without any explanation, the thought didn’t cross his. My sister had sucked my cock. I should have been disgusted and mortified. Yet, my dick standing at full mast suggested otherwise. I wondered how long she had been sucking dick. Based on how she pleased me, she had been doing it for a while. I also wondered what she had planned for her exhibitionist activity today. I called my Mom and asked for Lilly’s cell number. I called my sister and asked if she wanted to go out for lunch. She, not knowing I was back from my overseas deployment, was giddy. Anyway we often chatted and I noticed she often come up to me to chat when I’m in my swimming shorts, and I’m sure she flirted with her eyes and body, I’m older guy but do get the odd look from younger ladies sometimes, which is a real turn on for me.Then one day after my swim we were talking, and she was really flirting with me and she said in conversation that she was finished her shift in half an hour, so I got the courage to ask her if I could buy her a coffee, and she said ok.So we had a. Sis was rolled over hogging all their covers with her back to me. Marla was flat on her back, no covers, her sleep shirt was pushed up to almost uncover her tits, and she was bare ass naked from there to her toes. One leg hung over the edge of the bed, spreading her legs open just enough. Marla was snoring softly and I could look right up her pussy. She was a natural redhead. I used my cell to get some choice shots of her display. I told myself that I could probably climb on top and fuck her.