I land three more hard strikes as you whimper and moan. "Two more, gorgeous, six for the six days you teased me." Squeezing and caressing your ass aga...n, teasing you, tracing my fingertips lightly over the sensitive skin. Watching your body tense and relax and tense again as my gentle touch over your soft skin makes your pussy tingle. With one last squeeze, my arm swings and I spank you hard twice in quick succession. Your eyes looking back at me beseechingly I smile and stroke your ass sweetly. He asked me about Karen. I said she seemed fine. We hung up.I called Nakamoto at his house, waking him. "Anything on the semen?" I asked."Yeah, at least the type matched," he said. "But I think its time to get everyone involved. I think its time you moved away from this." I don't think so. Everything's coming together." Where are you?" San Francisco." Shit. I want you to come home, Joe." But Margarita..." I nearly whined."I know. But ... Hell, I'm not supposed to tell you this. Everyone already. She ran their lives, especially when it came to sex. And he actually seemed to enjoy being subservient. Like many men who are powerful in their daily lives (I gathered he was very successful in business) he was happy to have her run their private life together.Finally after several chats she told me that they both had a fantasy of her getting fucked by another man while he watched. Frankly, I could never imagine wanting something like that and I told her so. I thought he must really be an. I had seen my sister naked before and didn’t really feel that way before but watching her masturbating was different.To take care of that bulge in my pants, I decided the best way would be to watch some porn and jerk off. I booted her laptop, opened Chrome browser and then headed straight to PornHub.The videos didn’t help much as the picture of my sister masturbating was still in my mind. I just closed the site and then jerked off to that picture. God, did it feel nice?After that, I started.