The Dragon King's True Heiress

The trueborn daughter of the Silver Dragon Royalty hides her bloodline for love, only to be humiliated by her fiancé Darian's entire family and framed by the fake Silver Dragon Delia. She goes underground in the Black Dragons' Great Forge, uncovers the dragon hunters' conspiracy, reveals her true identity before the whole assembly, and returns reborn at the Black Dragon King's side, while Darian and Delia reap what they sowed.