As a young lad, I've always harbored a naughty desire to witness my sister getting down and dirty with a sizable ebony shaft. And finally, the day arrived when she did just that! The guy she hooked up with was packing a serious tool, and I couldn't help but be enthralled as I surreptitiously observed from a hidden vantage point.My sister, a slender girl with a tantalizing derriere, was eagerly anticipating the experience. She was well-prepared for the encounter, her rear end glistening with anticipation. She eagerly assumed the doggy style position, her rear in the air, ready for the impending action.The ebony stud wasted no time, plunging his colossal member into her moist folds. The sight of my sister being vigorously ridden by the massive ebony cock was nothing short of mesmerizing. She handled it admirably, her face a mix of pleasure and ecstasy. The climax of the encounter was a generous creampie, leaving her thoroughly satiated.This encounter left me with an insatiable craving for more such escapades. I yearned to witness my sister in action once again, riding a sizable ebony cock.