Using my restrained stepsister for pleasure - unusual scenario

As I returned home from work, I found my step-sister in the living room, tied up and waiting for me. It turns out, she's been harboring a deep desire to be taken by her stepbrother. The sight of her restrained form ignited a fiery passion within me. I couldn't resist the allure of her tantalizing curves and blonde locks. With a devilish smirk, I untied her, and she eagerly surrendered to my touch. Our bodies entwined in a dance of lust, our moans echoing through the empty house. I took her from behind, her sweet cries filling the room as I drove into her with wild abandon. The taste of her, the feel of her, it was more than I had ever imagined. This was no ordinary encounter, it was a forbidden fantasy come to life. And as I savored every moment, I knew this was just the beginning of our twisted, erotic journey.