I tried to concentrate on the presentation, which was on the reassuringly unsexy subject of tailoring insurance products to meet the specific needs of...the construction business, but I knew it would be no good. Everything seemed to conspire to make me aware of Ursula's closeness. I could smell her perfume. My eye was caught by the toss of her head as she flicked the hair out of her face. Even the way she turned the page of her notebook seemed charged with sensuality. And I could hear her. I watched my friend raise his eyebrows and flick his eyes down to my sisters pajama covered crotch then back to her face, the other 4 of my friends doing exactly the same as he calmly and cheekily said "what kind." Again almost untracably i saw a flicker of amusement cross my sisters face "its hard to explain" she said with her voice ever so slightly less irritated. Everone including me held their breath as they knew what my friend was going to ask next and he duly obliged "well show us then". "is this what you like you fucking slut?" " a big cock ?" he moaned " yes give it to me fuck me like a dirty whore " then he asked "are you my bitch?" "yes " i moaned . he drove his cock into me harder pushing my legs back to my chest " i am gonna breed your ass like a fucking whore " he drove his cock into me hard and something happened that i had never experienced as he fucked me i started to grind i felt like i was gonna cum . my cock exploded and my cum shot out across the silk. We were just waiting for our bodies to officially surrender. Barb slumped back into her chair and took a couple of very slow deep breaths. With her eyes glued to mine, she took a long sensuous sip from her drink. Then holding the glass to her lips, she extended her tongue slightly and ran the tip back and forth across the crystal rim. Her seduction was fully underway. Her posture was now anything but lady like. Her skirt had ridden up so high, I could see the darkness of her pubic hair through.