His hand clenched into a fist and his eyes squeezed shut again. It was easy to find out what he liked; she tried everything she had read about, everything she thought of, and his reactions told her whether to keep doing it or not. It was...fun. Hermione liked provoking low, strained whimpers from his lips, liked the way she could make him think of nothing but how her mouth and her hand felt, toying with him. She felt powerful. Hermione liked that feeling a great deal. So much so that it almost worried her. Hermione Granger, the power-hungry maniac?