Harry finds another person to change

Harry walked out of the Room of Requirement whistling. He hadn't felt so relaxed in years. He could see the allure of power clearly now. When he was in control, he didn't need to worry. And right now, Harry was completely in control.

Hermione was going to wait for him in the Room. He had told her that she wanted to be naked, so she was. However, he had decided that if he was going to give into to his more selfish urges, he might as well go all the way. Why stop at Hermione? He could indulge any fantasy he had ever had, and he intended to indulge all of them.

The only thing he hadn't decided yet was who was going to next?