I molested her tits, she pulled her knees up to her sides then jammed her two middle fingers in my ass then helped me fuck her. I went to my back and ...pulled her up and over so I could caress her clit while she rocked on me. It took only moments more until she sucked in a long breath, her eyes locked on mine then she started vibrating. The invitation to cum in her was in her gaze so my cock convulsed and I pumped all the lust I had stored for her deep into her womb. Shelby still kept her silence. I kissed one breast gently to see what she would do. She pushed my head closer into the valley between them, then taking my hand and she placed it on one of her soft white mounds. “You play with that Lovey,” she coaxed me. My girlfriend breasts were so much smaller and she only let me touch them if she was in the mood. These were warm, soft globes with rubbery nipples waiting to be sucked. I heard the noise of a zip being opened and a swish as her skirt fell to the floor. Then she gently pushed. I always wanted a threesome with another girl but this wasn't quite what I had in mind.I smiled and looked at my wife, "Well, she is a girl, kinda, so lets make the most of it" I said a my wife smiled back and said "Yep, why the hell not" as she took Kim's penis in hand and slowly spread her warm lips over the end and sucked on it softly. Kim was moaning once again as I knelt beside them and continued kissing them both softly and sensually.Moments later we pulled out the double sofa-bed and. I wanted to feel her full, supple body, to slowly remover her blouse and memorize the bounty of her breasts. Her eyes looking directly into mine as I took her missionary style. My obsession with her became uncontrollable. I composed a letter addressing all my feelings for her, begging her for a chance, offering her one thousand dollars in cash for one night with her. It was all the extra money that I could muster, and it took every ounce of courage to hand her the plain white envelope with.