While I was handing the tissue over to her, she moved her hand towards mine, and the exchange was not just that of the tissue.There was the first cont...ct – a slight touch of the palm on the fingers. But the warmth just enough to send sensations through me. We both looked up at each other. There were sadness and dissatisfaction in those innocent teary eyes. We shared a moment there just with the eyes, and then the doorbell rang.We suddenly came back to our senses. She wiped her eyes and made her. ." Danica stated breathlessly."We were but not together. Stay put baby girl, I spilled something and I should get a towel to clean it up." Ok...where did dad go anyway?" You know what, I don't know baby girl. but I'll be going back into a town in a few. Join me, won't you?" Susan pulled her pants and panties back up. "I'll be down in a bit!" was Danica's chipper response.The next night all three of them were in the master bed together. The President, his wife and daughter. Danica lay in-between. I reached around his waist and pulled him tight against her. His cock slid more against her now drenched pussy which made her give out a loud sigh of pleasure. I knew this was the opportunity I was waiting for and moved my hand down between her legs and I grabbed that big thick cock. I marveled at how hard and hot it was. I was also excited by the girth of his cock. It must have been twice as thick as mine and about a good four inches longer. I began to grind his cock on her wet pussy pushing. He knows what a slut my sister is. He also knows I hate being around her and he is sleeping with her. Well, two can play this game. If he thinks I'm just going to sit around, and wait for him to come home and work on our marriage, he really needs to think again. Pay back is a bitch. I'll be the bitch who will pay his cheating ass back. Let's see how much he likes being lied to and cheated on. If this is what he wants to do, then it's only fair I get to do the same thing. I'm done trying to make.