This was payback for what he did to her in the cave wasn't it? THe way she kept springing surprise after surprise and looking so damn irresistible while doing it. Natsu quite frankly could not care less if that was the case though. Because damn it if she didn't make him more fired up than ever when she looked up at him with those eyes. And then his vision whited out for a moment as she finally took him into her mouth. The heat enveloping his length and forcing a strangled almost desperate cry of Lucy's name from his lips.