It's important to me, very important that when her bull spreads her legs this evening she is simply perfect when he takes her. I don't want to miss a...single hair as I shave her with my eyes inches from her perfectly formed vagina. Those soft pink lips peaking through the shaving cream and the smell of her sex wafting up make my dick start to throb and rise. Once I complete shaving her only remnants of shaving cream are evident here or there and before I can move away she whispers, "lick. She was about to say something else to me but the man got impatient and stepped out of her room and picked her up and dragged her to her bed and tossed her onto it while slamming the door with his foot.I heard a lock click and then heard my sister start whimpering and begging for him to go softer but his grunts and her sobbing told me he was going really rough with her as the bed started banging against the wall.I was stunned and sat on the floor leaning against the wall near her door and. She was wearing a black short dress and heels and I think she looked sexier than I've seen her in years.So, I told Mary to go up to the bar and ask for a napkin. She did that and the guy leaned over and whispered in her ear. They started talking, and I could tell she was loving the attention. To make a long story short, they started dancing to a slow song. It was actually a Bee Gees song that surprised me. I guess with Robin Gibb ill the dj wanted to honor him. It was all way too sexy for me. I. While I have always seemed to have a lot of precum and she had tasted it I had never actually cum in her mouth. I approached doing so on several occasions.But, she refused. It was repugnant to her to have a man cum in her mouth. So, the act of oral sex, no matter who was performing it for whom, was an act of foreplay for us both. She did it to get me hard and I did it to get her juices flowing and to prepare her for penetration. After a couple of weeks with Ernie as she talked about it I could.