As soon as she saw the used condom, her heart raced with a mix of repulsion and curiosity. She knew she shouldn't, but she couldn't resist the temptation. Gently, she picked it up between her fingers, careful not to touch the sticky, cum-filled latex. Her stepsister's breath caught in her throat as she sniffed the evidence of her brother's recent sexual encounter. The foreign scent was intoxicating, filling her senses with lust. Without thinking, she mounted the condom, slowly sinking down onto the head of her brother's cock. The sensation was overwhelmingly taboo but undeniably arousing. With each thrust, she felt the cool, sticky latex rub against her sensitive walls, heightening her pleasure. As she reached orgasm, her stepsister watched in awe, unable to understand why she was so turned on by As she reached orgasm, her stepsister watched in awe, unable to understand why she was so turned on by the sight of her pleasure.
