Zuko's eyes widened, the blood draining from his face. Mai never cried. "What? What happened?!"
"Oh, I don't know," Azula said, shrugging nonchalantly, though her eyes glinted with a malicious mirth. "But if I had to guess... Maybe it had something to do with the royal advisors talking about what a shame it is that someone as dull and plain as her is going to be the next Fire Lady of our great country -"
Zuko didn't wait for his sister to finish, turning on his heel and sprinting back down the hallway that led out of the palace and into the main courtyard.
(Mai will always be his fire lily. If only Zuko knew how to tell her that. Young!Maiko fluff with a dash of hurt/comfort.)