The air in the room is thick with anticipation as the sister leads her brother to the bed, her hips swaying seductively. She turns to face him, her eyes filled with a hunger he's never seen before. She reaches out, her fingers tracing the outline of his hardening cock through his pants. "I've been watching you, little brother," she confesses, her voice low and sultry. "I know you want me too." She leans in, her lips brushing against his ear, "And today, I'm going to give you what you want."