theory: Kaden is the one with fertility problems and the when Lina was pregnant in her first life the father was Atlan not Kaden.
I hope this is false cause it would be really sad
well now I feel even more sorry for that princess. maybe life got better after running away?
The one and only concubine of the palace was poisoned to death, shortly after giving birth to a useless Princess—the one who had fled from the honorable position as a candidate of Wuyi.