As Jack watched his half-sister, Emily, rummage through his room, he couldn't help but feel a mixture of anger and arousal. He knew he shouldn't be turned on by the sight of her, especially since she was stealing from him, but he couldn't deny the effect she had on him.
Emily was beads of sweat forming on her neck, her breasts heaving slightly as she searched. She was dressed in a revealing top and short shorts, showing off her perfect curves. Jack's cock hardened in his pants as he watched her move.
Suddenly, she froze, catching Jack staring at her. Their eyes met for a moment before she quickly looked away, her cheeks flushing. Jack felt a jolt of electricity between them.
"What are you doing?" Jack asked, his voice barely a whisper.
