"Dad, I’m going next door." Okay," he said. The girls were always at one house or the other until bedtime. There was nothing in the least unusual in...that. Mike had been thinking about the weekend and hoped that now that they were back in their normal house, life would return to normal.A few minutes later, he heard the door open. He turned to see Chelsea standing in the doorway. Again, the houses were really one to the girls, so that in itself wasn't out of the ordinary. "Hi Chelsea, Tami just. I visualize now being asked to look around the house and check out the study room to look-over his computer. How was I to know that the door I opened was his daughter’s bedroom!As I opened the door I heard a faint groaning noise; so I realized this wasn’t the study; but it was! The sight before me was of my brother’s 17 year old daughter Carrine and her brother Kyle, who was fucking her from behind whilst she watched the laptop which was showing a porno film! … “Hello, Uncle James!”, she spoke. I love it when she rides cowgirl like that. I love having her massive form straddle my body. I watched her breasts and belly fat jiggled in unison. Her face transitioned from a beautiful smile to a look of orgasmic pleasure. Her mouth hung ajar. A half confused look of ecstasy was splayed across her face.As she grinded her body against mine, I reached out and ran my hands across her belly. I loved the way it felt. It jiggled under my fingertips. Slowly my hands moved upwards until they found. She finished shopping and started walking towards the billing counter. The billing counter was crowded. There was a long line for paying bills. I was looking at her. She told something to the husband after that husband and the kid went outside.I guessed she must have told both to wait outside. She will make a bill. After that, she signaled me to come. I was surprised by her intelligent move and happy at the same time. I went and waited in line behind her. I made a bold move.As my dick was.