He knows she bucks against being restrained in any way. This certainly isn't as far as he could push her -- right now it's just his way of playing with fire.

With their faces just inches from one another, her breath is hot on his parted lips; her cheeks are flushed and damp from his own breath, the close space between them rapidly heating up.

Pressing the palm of his free hand flat against the small of her back, he angles his hips forward, the head of his shaft meeting her wet flesh just as she rocks downward. With a growl through clenched teeth, he curls his fingers tighter around her wrist at the sensation, his raspy breathing quick and shallow, his eyes burning.