Preview ep 9:Wait what Hyun Kyu, did you expect to get back with Ji Na easily like that after ghosting her for…
Coz she realised if she gets too invested, she will be sad if she kills him whilst living and saving the world. However if she chooses him, she will have to destroy the world, and killing everyone is not what she wants.
Ohhh I have a theory- this is what happens when you're unable to talk to anyone about it cause they haven't started…
First episode, he said it was his birthday, on the same day as tak dong kyungs parents death anniversary. So I'm assuming when he reincarnated/ maybe his birthday caused deaths....he might have caused death to her parents accidentally cause of his existence