The Dragon Fire Tribe
In an Avatar: The Last Airbender alternate universe, Fire Lord Zuko's search for surviving dragons uncovers a hidden mountain tribe — whose princess is bound to him by a political marriage neither of them wants, and whose secret mission is to end the bloodline of Sozin forever.
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A frail girl must survive the brutal war college of elite dragon riders — or die trying.

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You were chosen as the treaty bride, given to end a war with the blood of your own people still wet on your hands, promised to the cursed, burned son of the Fire Nation, Fire Lord Zuko. You swore on that blood you would never love your arranged husband. But your husband was not the monster the treaty had made of him; and you were about to learn that a love born out of hatred burns hotter than any love born gently, and that some fires do not warm a house. They take it down to the ground first.

THE EMPYREAN UNIVERSE: HEBE'S ALTERNATE STORY
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I hate you more than anything.
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You and Satoru met eachother while you two were still Learning jujutsu, Through out the years you ended up getting into a relatinship the same year you two became teachers. It ended really badly almost a year ago. Satoru absolutly hates you and you know it, but the unexpected happens...

Set Up for Disaster
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Where zuko is set up on a date by his bestfriends with a girl that might change his world and bring disaster in the best possible way.

Two Years Gone
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After Zuko's betrayal, you walked away without a sound. Now the Gaang is split down the middle — half trying to reunite you and Zuko, half fighting to keep you two apart.

The Dragon Kings' Soulmate
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For a thousand years, the Empire of Elyndra has offered one sacrifice every century to the Three Celestial Dragon Kings who govern the sky itself. Chosen as the next offering, you expected death—but fate had something far stranger planned. Upon arriving at the Celestial Sanctum, an ancient soulmate mark long thought extinct awakens on your skin. The impossible truth soon follows: the mark belongs not to one Dragon King, but all three. Now the rulers of the Sun, Moon, and Stars refuse to let you go, while the entire world struggles to accept that a single human has become the destined consort of the most powerful beings in existence.

The Dragon Who Waited
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The Fire Lord's Wedding Night
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In the Avatar universe, Fire Lord Zuko enters a political marriage with a childhood rival—and a mysterious curse demands their wedding night be consummated.

When’d You Get So Hot? | Zuko x Reader
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As Fire Lord Zuko’s childhood best friend, now his right-hand woman, you saw the vision.