Julianna's body was still trembling with pleasure as she lay on her back, her chest heaving with each labored breath. Her brother, Marcus, didn't seem to notice as he rapidly masturbated her, his fingers working their magic between her legs. Julianna's moans grew louder as her body twitched under his touch, her hips bucking off the bed as she neared another orgasm.
Marcus's movements became more frantic as he felt her getting closer, his own desire building with each passing moment. He could see the dark triangle between her legs, her nails digging into the sheets as she moaned louder. Julianna's face was a mix of ecstasy and madness, her eyes closed as she rode the wave of pleasure.
"Aaa! Yes! Faster! I'm gonna cum!" Julianna cried out, her voice hoarse with desire. Marcus's fingers moved faster, his own breath hitching as he felt her body shudder with release. He continued to move his fingers for a few moments, enjoying the aftershocks of her orgasm before finally stopping.
Julianna lay still for a moment, her body still trembling with pleasure. Her breathing slowed down as she slowly relaxed, her eyes fluttering open to look at Marcus with a mixture of bliss and gratitude. "Thank you..." she whispered, her voice husky with desire.
Marcus helped her sit up, his arms supporting her as she leaned against him. Her body was still warm and wet, and she smelled of sex and passion. "I've never felt anything like this..." she murmured, her head on his shoulder.
Marcus kissed her neck, and Julianna shivered at the contact. He turned her over onto her stomach, and she looked at him with surprise and interest. Marcus kissed her again, and Julianna responded, her lips meeting his in a passionate kiss.
Marcus started to finger her again, and Julianna moaned softly. "You're insatiable," she said, half-joking, half-serious. Marcus started to fuck her from behind, and Julianna cried out in pleasure. "Yes, fuck me harder," she demanded.
Marcus obliged, and Julianna met his thrusts with her own. They fucked hard and fast, their bodies slapping against each other as they both reached the brink of orgasm. "You're such a dirty slut," Marcus growled, and Julianna laughed.
"And you're a filthy bastard," she retorted, and they both laughed as they continued to fuck. Their moans and laughter filled the room, a testament to their unexpected encounter.
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