We had to nudge Blake a few times because he kept letting out low grunts as he jerked off so fast his hand was a blur. Colin was gritting his teeth. H...ving no shame at this point, I just let my pants and underwear fall to by feet and kept jerking off like I never had in my entire life. Colin took it even further, stripping his pants and underwear off completely. Eventually Blake and Chris got over their shyness and just drop whipped their penises out. There we were, all exposed and jerking. As they walked around, and out on top of the beaver dam, both girls stripped their deerskin dresses over their heads and dove into the clear water. Sky had never seen a naked woman, and though he only saw a flash of skin as they stripped and dove, he liked what he had seen.Feeling unsure as well as excited, he pulled his gunbelt off and hooked it on a limb sticking up out of the dam.He pulled his buckskin shirt and breeches off and hung them on the limb. He turned to see both sisters watching. As soon as I turned, I could smell her excitement. My cock was screaming for release, but this was their time, I was just going to watch."Yeah, Babe! Fuck!" he grunted. "D'ya want it? I'm so fucking close..." Mmmmm...." was her reply as she grasped his cock and started pumping it along with her bobbing and squeezing of his balls.He announced his orgasm with a growl and she stopped bobbing, but kept stroking his cock as it emptied into her hot, waiting, accepting mouth.He let go of her hair and. When his daughter looked up towards his stiff cock hanging out of his pants, he quickly pulled the towel from around his neck, wrapping it around his crotch. If she mentioned any of this he’d plead innocence and claim the towel had temporary fallen off after his shower. Her squinting indicated maybe she hadn’t seen him shoot his load.A few minutes later she came in for a drink and returned back to the patio, this time to lie on her back. He tried to focus on a a movie he was watching but was.