Charlie exclaimed in surprise, "You knew?"

Nanako smiled at Charlie in turn. "Tanya is quite the influential artist and boasts legions of fans. Every concert she holds is always fully booked, and there are always fans who have to fly in from other countries.

"It's even alleged that each country where she holds concerts would see a fractional GDP growth, and my best friend in Tokyo invited me to her concert too. But I said no since I'd rather focus on my training."

Pausing, she then asked, "Bu