The Sun's Affair with the Moon

AU: Fire Prince Ozai provides aid to the Water Princess in a time where war is about to consume the world. However; as she is brought into his care, she discovers his grim past that is connected to her own. What happens when despite what she finds while in the Fire Nation, the Water Princess cannot help her growing feelings for the Fire Prince. Ozai x Kya, eventual Ozai x Katara.