Please don't."The boy lathered his hard prong and then slid it gently into his sister's anus. He held her slim hips, gritted his teeth and slowly inch...ed himself fully up into her as she arched her back, came up on her toes and let her head hang between her elbows, sobbing and shuddering.He gritted his teeth and rose on his toes, thrusting with all his might.Susie whimpered."Ready?" said her brother, smacking her loudly as he backed away.She shook her head.He slipped his left hand up to cup her. When I got home, I had forgotten about his phone call, and worried only what I’d wear the next day. The Post-it note was stuck to the outside of my wallet. I saw it getting change for my roommate Marie, and almost groaned. Marie laughed. ‘Go ahead,’ I warned. ‘Laugh. See who laughs last.’ I spanked her on her bare rear end as she danced away. I would miss Marie. ‘Come on in,’ I said to Tom. Tom walked in. He looked at my jeans and my tee-shirt. I had not dressed up for him. Marie, I knew, had. Then you rub the cum over your breast and the base of your neck before sucking each finger clean. I lie down beside you and pull you tight to me and as we gently kiss we again tell each other how much we love the other and lay there gently kissing for the next half hour. In time we make our way to the shower where you are carful to wash yourself everywhere except the top of your chest and base on your neck. We get dressed and make our way to the restaurant to meet Frank and Jaime, get drinks. They find what they were looking for, heading to the exit "night", you just manage to breathlessly say "night". You release the tension and with it you release the building orgasm, arching your back as the waves of pleasure wash over you.You look at me hungrily, "your turn", you sit me into the chair, bending over me you kiss me, our tongues entwined. Your hands sliding down my shirt, you reach for my hard cock and start stroking it through my trousers, "mmm so big" you look into my eyes as you.