[Strong heroine + Protective + Lovestruck Guard + Feel-Good Story + Devoted Couple + Play the pig to eat the tiger]
Willful, reckless little guard × Young lady who faces death as if it were nothing
At first, the innocent and pure legitimate daughter of a general's household knows nothing of the world. Then her beloved guard dies for her, and she finally comes to her senses.
In the middle, she earns the royal family's sympathy, draws on her mother's family's influence, trains hard in martial arts, and establishes her own household.
In the end, she becomes a renowned general, marries her utterly lovestruck guard, and enjoys a happy life that goes down in history.