Scarecrow, unlike Harley did realize Edward was there, always a little too aware of his surroundings. He pushed into Harley again, as deep as he could, smirking. "Enjoying yourself, Little Riddle?" he asked, turning his gaze slightly to look at Edward as his tongue darted out, taking a long lick up Harley's neck, biting her pale flesh at the end of the movement.
One of his hands slid up from her waist to her breast, gently squeezing it, feeling the shape and weight in his hand.