Avatar: The Last Airbender - Ashes of the Academy

Kiyi, half-sister to Fire Lord Zuko, enrolls at the strict Royal Fire Academy for Girls, but when a seed of doubt about the new headmistress is planted, Zuko takes action by installing one of the people he trusts most--Mai--as an academy teacher.

Written by Faith Erin Hicks, illustrated by Peter Wartman, colored by Adele Matera, in cooperation with Michael Dante DiMartino and Bryan Konietzko.