Idiots, He's the Dragon Heir

Eighteen years ago, a divine being sacrificed himself as a dried fish to save Theo. The Jiang family promised a marriage as gratitude. But eighteen years later, they broke the pledge out of ingratitude. Leonardo, heir of the divine dragon, masters miracle healing and dragon power. He avenges his brother with his sister-in-law Sandra, defeats the villains, and wins the love of Sandra, Laura, and Yara.