Wei Yujin traveled to Great China and became a married woman with a child. The child's father died tragically in a foreign land without ever meeting him.
The wealthy family she originally married into was about to be exterminated, and her mother-in-law asked her to marry her original husband's sworn brother Xiao Yi for the sake of the continuation of the family.
That was the little prince of Nanyang who called him sister-in-law!
Purpose: Pseudo-uncle literature, palace fighting, women's rights