My step-sister caught me pleasuring myself under the table, creating a thrilling family fantasy scenario

I was lounging in the living room, absentmindedly stroking my thick shaft under the table. Unbeknownst to me, my stepsister caught a glimpse of my solo act. What transpired next was a tantalizing display of forbidden desire, as she eagerly took over, skillfully pleasuring me until I erupted in a powerful climax.