"Are you going to fuck me Thomas?" I breathed into his mouth as I ground my hips against his bulge,"If it's okay with you"I smiled and sashayed away f...rom him to where Frankie seemed lost in the insistent driving beat of the record,"He's very shy" she said as she wrapped her arms around my neck and put her lips next to mine, "But he fucks all night"I grinned at the thought of it and then my grin turned into a giggle as I looked over to where my brother had his head between Sandra's upturned. In rapid sequence, he felt himself shrink down at least a foot, followed by his waist compressing and his hips and ass billowing out. The hair on his arms, legs, back and chest seemed to just disappear, while on his chest appeared two expanding masses of flesh. He could see and feel his limbs becoming softer, rounder and much more curved, and his feet and hands becoming smaller and daintier. His short blonde hair seemed to be lengthening greatly, showing up on his sides in his peripheral. If not, well..." he gave a little shrug as he trailed off. I looked up into his brown eyes with my bright blue ones. I knew I shouldn't. Knew that I should walk, no RUN away. But I didn't. Part of me wanted, needed this. Needed to feel his dick slamming into me again and again. He must have seen the fight leave my eyes. He pulled me in for a kiss. I'm only 5'2, so I was shorter than him by a good five or six inches. He stooped down and pressed his lips passionately against mine. His lips tasted. I pulled out and said “I want you to ride me now Liz.” I lay down on the bed and Liz climbed on me and lowered her sopping wet pussy over my cock and began to ride me ever so slowly. We kissed passionately, breathed heavily into each others faces and talked dirty to each other. After some momentum of speed and with our lips clamped together Liz had her second orgasm of the night. My orgasm began to build up also as our lips were locked when this sexy milf rode me. I broke the kiss and said..