I exploit my small stepsister's bound state to have rough sex and ejaculate on her genitals

After a steamy session of heavy drinking, I found myself unable to resist the allure of my stunning stepsister. Her petite frame and bound state only fueled my desire, and I wasted no time in taking advantage of the situation. As I ravished her, her moans filled the room, a testament to her pleasure. The sight of her body writhing in ecstasy was enough to drive me to the brink. With a powerful thrust, I released my seed, painting her fair skin with my hot, sticky essence. The sight of my cum glistening on her smooth skin was a sight to behold, a testament to the raw passion that had just unfolded. As I pulled away, I couldn't help but smile at the satisfied look on her face. It was a moment of pure, unadulterated pleasure, a memory that would forever be etched in our minds.