In the quiet of their shared home, a curious sister can't resist her urge to explore her brother's body. She finds him sleeping, his cock tenting the sheets, and can't help but wrap her hand around it. He stirs, half-awake, as she jerks him off, feeling his length grow harder in her grip. His moans fill the room as she pumps him faster, her own body warming at the taboo act. With a final gasp, he releases, coating her hand and his stomach with his hot, sticky cum.