He agreed and we set up a time and place to meet and I arrived a few minutes early. I parked and soon they drove up, said hi and confirmed who they we...e. We all rode togher. We arrived at one of their friends place and she went to the bathroom to get ready. He took me aside and explained, as he had mentioned earlier, that he was 100% straight and that while eating her pussy full of his cock and cum that I was not to touch his cock or balls no matter what. I explained to him that it was going to. It was replaced by a steaming urge to feel what she had earlier, those wonderful, ever-so-delicious pulsations between her thighs. She poked a finger into her tight little cunt, crying out with pleasure as she probed, her eyes darting to her mother's naked body, to her brother's cock. Toby was dripping a lot, smearing the shaft of his prick with the liquid. "Ahhhh, so good!" Susan moaned, watching them as she lewdly fingered herself. "To watch you two ... to do it in front of you! Ohhhh, God,. I tried to see out of the corner of my eye what she was doing, but it was no use. Moments later, the spanking machine started again."There," she said. "If it's plugged right into the wall, it won't stop again."My heart sank. There I was, tied and totally, truly helpless, holding in an enema that was threatening to burst me open, and now being spanked non-stop by a mechanical spanking device designed to run for hours at a time without even slowing down."Let's go get started on settling that bet,. I put the head of my dick in her fuck hole. I slowly entered her.That's it dad Helen told me, slowly let Debbie feel every inch of your cock entering her pussy. I was in her pussy all the way. Debbie put her legs around my waist holding me there.Oh daddy that feels so good, I'm so wet fuck me, fuck me daddy.Although my da(u)ghter Debbie almost had me in a leg lock I pumped her the best I could.Damn her pussy was so tight. It was like her pussy was too small for my dick, and my dick isn't overly.