Round and tight, it always seemed to nearly burst out of her jeans while she walked. Whenever she passed by, scores of guys would crane their head so ...s not to miss one second of her jiggling past. This butt was what I'd craved ever since I first laid eyes on her. And today, I was going to make it mine.While she and James were getting ready for their talk, I made my own preparations. I quickly got rid of my clothes and piled them on the instructor's desk. My dick had already grown slightly in. A few more times and I quietly squeaked, "I can't much longer." She smiled and began bouncing on my cock, then feeling me tense she sat on me and let me cum. I don't know if I'd ever cum that much, my toes curled and I gripped the drop cloth and tried to empty my whole body into Willow. When I finally relaxed she casually sat on my softening cock letting my semen drip out around it. Still astride me she knelt either side of my hips and looked down at me all dark hair and dark eyes and pale. Wrapped in a towel, she walked by Reena, pretending not to see her, took the parcel and ran upstairs in her bare feet. The mistress of the house was the unmarried heiress of a chain of popular lingerie stores. At 45, she was at the peak of her mature beauty. Her Arabic descent was responsible for her soft skin and the looks of a harem girl. Reena was Lebanese and in her early 20s. She was part of a medium-size group of Lebanese lesbians of all ages who had emigrated from a country that was not. "Kristie turned her back to Sharon, slipped the straps of her bra off of her shoulders, unhooked it, and set it carefully down. A little too carefully. Then she stepped out her panties. When she turned back around, and arm covered her breasts and a hand covered her crotch. She was blushing from head to toe."Such a shy girl," Sharon said, grinning slyly. "Go on girl. Put your hands to your sides. I'm sure you have nothing to be shy about at your age."Kristie reluctantly lowered her arms to her.