Caught in the act, this brother-to-be doesn't miss a beat. He continues to jerk off, his sister watching from the doorway, her breath hitching as she takes in his impressive length. He leans back, legs spread, giving her a perfect view as he milks his cock, his abs clenching. With a grunt, he lets loose, his cum shooting out in thick ropes, painting his stomach and hands as his sister looks on, her cheeks flushed.