Erik's mouth hung open for a moment as he slid in, feeling the resistance of her body, the way it squeezed him snugly down there. It was definitely a sensation he wasn't accustomed to. He paused as he got used to the feeling, plotting out his rhythm in his head, the way he wanted this to go, so he slid his arms underneath her upper half, hands moving to cradle her head as he slowly pulled out of her almost all of the way before he slid back in, filling her once more.