My Grandfather Is the Dragon King

While digging in an abandoned mine, a farm girl frees an ancient dragon trapped beneath it—and promptly claims him as her grandfather. Her greedy stepmother forces her to marry a handsome man everyone thinks is a fool. With the dragon's guidance, she grows tea in the mine's fertile soil, determined to build her own fortune while helping her husband fight the cold poison inside him. Can she protect what they've built from her stepmother and their other enemies?