I held her legs up with my hands as I pushed my cock in and out of her pussy. I raised my right hand and smacked Becca's ass as I plowed her pussy wit... my cock. Her breathing grew heavier and became more intense as I fucked and spanked her with all of my might. A few seconds later, I noticed her hands begin to shake. I wanted to cum right on her so I decided to fuck her in a much more comfortable position. I pulled out of Becca's pussy, lifted her up, and carried her back over to the bench.. Around the table that evening, Mom asked them what they would like to do for their birthday. Sandy as usual, just asked for the four of them to be able to spend the day together relaxing.But Dad spoke up, “Ah, well, I have something more for you two planned.”The two teens looked at him.“How would you like to see the Mountain Gorillas and Chimpanzees on a tour?”“Of COURSE!” the two replied.“Ah, well, it will be a few days after your birthday, but ... I just found out that, ah, Jane Goodall will. Seeing her made me hard so I walked up behind her and cupped her beautiful tits and played with her pink nipples as she did her hair.Karen leaned back against me and was rubbing her ass against my hard on. Hummm he moaned as my hands enjoyed the best set of tits in my High School, her being my sister and forbidden made it better. Here I was living every boy's dream and fooling around with sis. Her tits were dead white and her nipples so pretty and pink. I toyed with her nips and rolled them. "Eric:Now I'm really in deep shit. She wants to know if I really meant all I was screaming at the screen about how much I wanted to fuck her and all. And I'm sitting there in her office, naked with my dick drooping down between my legs wondering if I was going to live or die."Well, did you mean what I heard you saying? Tell me."I knew I meant it but did I dare tell her? Maybe I could get away with telling her I just said those thing to get off better, to heighten the mood."Well, I..." Eric,.