Dragon King's Bride: A Forced Marriage Dragon Romantasy (The Firebound Throne) by A. R. Lenahan

She was sent to the Dragon King as a sacrifice. His fire chose her as queen. Maerwen Valeis was never meant to be cherished. She was raised to be useful, obedient, and disposable. As the least valued daughter of a human king, her only purpose is to fulfill the Treaty of Cinder and become the bride of the monster beyond the Ashen Reach. Drazek Ironclaw does not want a wife. The Dragon King rules Ignis Vale with molten fire, ancient law, and a court full of predators who see Maerwen as nothing more than a fragile human offering. To them, she is a political weakness. To her father, she is a payment. To Drazek, she should be a temporary burden locked safely behind obsidian walls. But Maerwen refuses to vanish quietly. Inside the volcanic stronghold, survival means learning the rules of a court designed to break her. The dragon nobles want her gone. The ancient rites of the crown were never meant for human blood. And the king who should terrify her is beginning to look at her less like a prisoner and more like something his fire has already claimed. Read more