After stumbling upon my young, inexperienced stepsister's self-pleasure session, I couldn't resist the allure of her innocent allure. Our encounter escalated quickly, leading to a daring urine play in the sanctuary of our private bathroom. As the excitement mounted, I eagerly devoured her succulent, yet unrefined features. Her amateur skills were a tantalizing testament to her virgin status, arousing my desire even further. As our passion reached its peak, I was generously rewarded with an enthusiastic oral consumption of my substantial offering. The sight of her eagerly taking every drop was a sight to behold, a testament to her insatiable appetite. The post-coital bliss was palpable, as she was left with a humiliating reminder of our encounter, her face adorned with the evidence of our shared ecstasy. This was a lesson in pleasure that she, and my cuckold husband, would never forget.