Sliding down my cock, Katie groaned loudly, much to the amusement of the others. "Yeah, it's pretty damned good," Amy murmured, leaning over to kiss her sister's cheek, "Enjoy our brother's cock, little sister."

"So good, Amy," she moaned, hands on my chest as she started to grind against me.

Hands at her hips, much like Amy did the first time we reunited, she got off on the fact we were brother and sister. I cast the occasional glance at Julia, who seemed to find it just as thrilling. "She's loving her brother's big cock," I grunted, grabbing Katie's arse, starting to move my hips as she started to bounce...