Drowning Phoenix (фемслэш)

"What was that girl’s name again? The one he liked so much. The traitor.”
“Mai.” She answered.
“We’ll hold a public execution for her a week from now, so that the news reaches him. So that he knows the price of defying me. Raise your head, Azula.” He smiled, and she obeyed, doing everything in her power to prevent the horror she felt from showing. “You’ll earn my trust back by burning her.”
In which Azula realizes that there are things that she can't do for her father.