Possessed by My Ex's Dragon Uncle

Isabella is betrayed by her fiancé Damian and given to Kaiser—the exiled Dragon King. He takes her by force, then announces marriage. She discovers he's the injured boy she saved years ago, and he has loved her ever since. Damian and her stepsister scheme against her. Kaiser protects her, and their unborn dragon baby saves them. One year later, they are crowned king and queen, sharing a kiss under the sun.