The siblings, confined to their small room by a storm, can't deny the tension any longer. She's reading, but her eyes keep darting to him, sprawled on the bed, his cock tenting his shorts. He catches her gaze, smirking. "You like what you see?" she challenges. He stands, pushing her against the wall, his lips claiming hers. She moans, her body arching into his. He grinds against her, her panties soaked. She unzips him, taking his cock out, and they both groan as she starts to stroke him, her pussy clenching with need.