Xincerely
I think she's not infertile, since if she is really an immortal or a person from the heavenly realm, then her 1st life as a mortal was when she was a princess from Teran. She was pregnant when she killed herself in their first life, right? so maybe either Atlan/ Atlantis or Kaden was gifted with infertility by the goddess. Hoping that Atlantis is the infertile one! Maybe the goddess gifted Atlan infertility so he won't have any child from other women, and maybe the gift of infertility would be gone if he ends up with Lina, since he's the "destined" one. just a theory haha. Really love this novel! Making me think of a lot of possibilities and theories!
Hahaha, I really don't want to laugh in such situations but now his last sentence and thoughts he really look like a real villain. But so what as long as they are happy and they don't have a tragic end again everything is fine. As for child.... Well then what are doctors for?! Aren't they in an improvement era?!