It was about a brother and sister having sex on a trip together.I swallowed hard. This was one of my sister’s favorite stories? Incest?I opened the ...tory and started to read. My dick was growing to full strength and starting to ache. As I read, I could see my sister’s handmove slightly. Her fingers were down in her lap and I watch out of the corner of my eye as her finger softly slid along the fabric of herleggings, right along her crotch.I shifted again to try to relieve some of the stress on. “No way Eddie, I’ve visited Maria in the wacky wards there’s no way i’m going to allow myself to become a screwed drooling idiot like her!”“Here now there is no need to defame a colleague Ms. Fenton!” D’lorde exclaims. “Isn’t there someone else you can figure out to use?”“Well chief it’s only recently been brought to my attention that Ms. Fenton may qualify as a possible answer to that line!”“Is this your way of getting back at me for not telling you I had a cock while we dated two years ago?”. They each have similar hair – one brunette; the other a redhead. They’re similar in other ways physically, so as my hands moved lower down her back I still couldn’t tell. She was moving and I found out why. Someone was fucking her doggy-style. I could feel the cheeks of her bum being squashed each time he pushed in. I moved my hand to find her tits again, but even there Julie and Anna are similar in size and shape. What the fuck, I thought, just have fun. My left hand roamed between tits and. She was wet. He maneuvered his body over hers.“Slowly and quietly,” she whispered, as he sought her vagina with his hardened penis. “I don’t want to wake Jason.”“That would take a volcano,” Doug answered. He stroked in and out of her and she responded, breathing hard but barely moving her hips, willing herself not to move, not to wake the snoring Jason, her vaginal muscles clinching Doug’s penis. They climaxed together, a warm tingle running up and down her spine and down to her feet.“That was.