"Excuse me." I said to the witch with long dark blue hair wearing a strange pink and purple dress.
"Yes?"
"Madam, you are in violation of the law on..."
"What are you talking about?"
"We're in a Muggle zone, you need to change your clothes."
"Why?"
"Well, because you're a witch!"
"So? I am the idol Marie. This is my stage outfit. I can't really change it."
"Stage outfit... idol... Oh, I'm terribly sorry! I made a mistake and..."
"It's nothing, really, but what's a Muggle zone?"
"Oh, that..." I said, while pulling out my wand after making sure no one was looking. "Obliviate!" Then I quickly step away from Marie. I'm Hermione Granger.