Hermione felt that Narcissa was looking at her...oddly. She could feel her gaze and she had to fight the urge to squirm in her seat. In that moment, she was tempted to use Occlumency but decided against such a massive social faux pas no matter how curious she was.
"Really?" she asked in mild disbelief before Narcissa's words truly sunk in. She cocked her head to the side quizzically and took a sip of her tea. "Oh? I always found that those who were most traditional, in that way, were the ones always caught 'experimenting' at Hogwarts," she mused with a little chuckle.
"It was them and also just some other people that you'd least expect." Her smile turned sly. "Most of those stories came out of Slytherin." She paused for a moment. "You must have some, yeah?"