Responses

I can't look for it now but I think at one point he did mention them dying at least twice before the most recent lifetime. I think it was the second lifetime where he learned the truth that Sejin meant no harm and was being coerced by his family. I think Sejin may have been killed by him or his brother in one of the lifetimes. And I think in one of the lifetimes he tried to keep Sejin locked to him and it made Sejin kill himself to get away. So in this lifetime he's was trying to set up a good life for him and set him free because he believes it's his presence that keeps killing him.
Is it Sejin's 2nd or 3rd lifetimes? I'm kind of confused?