Chang'an's life was not peaceful, but it was complete.
A pair of parents with deep love and understanding, a long-lasting friend who regards him as his own, and an unforgettable lover who shares death and sorrow together.
The only two unhappy things were that he was born into an emperor's family in troubled times, and that he and his lover had been enemies all their lives, which did not bring good results.
Her lover is the emperor of an enemy country, and she is a brave princess who has been on the battlefield, so she has no choice.
That's her home, her country.