In the dim light of their shared bedroom, Michelle and her baby brother seek refuge from their strict father's watchful eye. They huddle together, their bodies close, breathing shallow. Michelle's hand trembles as she reaches out, gently brushing her brother's cock through his pants. He stiffens, and she can feel his heart pounding. They exchange a nervous glance, and she whispers, "We shouldn't..." but her words trail off as she begins to unzip him, revealing his hard, throbbing cock. She tentatively licks the precum from the tip, her eyes locked onto his, as they both succumb to their forbidden desires.