Blue Sea, Blue Sky and Dust-Free Heart

In the past life, she was shattered to pieces for him; in the next life, he has been guarding her for thousands of years to regenerate her soul... He could give up his country, his life, and wander around the world with her, just to allow her a sunny day, just to wait for their love for the rest of their lives. She has gone through thousands of years of hard work and reincarnations, but she has never changed her original intention, just to pursue the promise of staying with him for life and death...