I made her lie down and started to fuck her.I raised her legs above my shoulder and fucked her hard for almost ten minutes. Dad called us come-on guys...it getting late let’s go. I started to ram her fast, me and mom reached our climax and I started to cum inside her.Mom: We are cumming darling. It’s the best sex ever son.Me: Don’t worry, there are lots to come.We came out and jumped into the water there we cuddled for a few seconds and came out of the water. Dad was looking at the sky. We wiped. And, like a proper gentleman, I did justthat.In time I undressed her - there was no hurry and as much as I love thefeel of a woman's smooth skin, I always enjoy the shape, resilience andtouch of a woman through her clothes. So, before I carefully eased hertights down and away I took my time to enjoy her legs through the nylon- all the way from her cute little toes, along the curves of her anklesand calves, exploring the hollows of her knees and the sleek lines ofher thighs. By the time her legs. My hands slid upwards exploring this unaccustomed territory looking so much like a boy but feeling and smelling subtly different.Jenny wobbled as her brother lifted her right foot and unbuckled her Jodhpur boot, slipping it off and Jenny reached out and balancing herself with her hand on my shoulder lifted her left foot for me to do the same. As I obliged the fact of what we were doing sent shivers of sexual excitement through me. Despite my sexual experience over the last few months I had. And she recognized that her schoolmates mostly fell into one of two groups. Either they were consciously in the same category as her parents, and acting on it, or they were largely clueless and obsessed with trivialities. And some of the teachers were worse, obsessed with what little power they had, and routinely abusing that power. That was when she largely lost her interest in school and her schoolmates.That was when she started joining her friends in their drinking.But she had another lesson.