In the first timeline the saintess actually tricked him into following her into korea, cus she wanted to have all the credit, so he was in a new world where he got tricked to be in, he couldn't trust anybody that why he treated her so coldly, this is all I can remember but there's more spoiler if you scroll back into the comments
I keep getting confused with the amount of hate he's receiving but I remember that ppl don't know the spoilers
spoil me please!!!!!
Spoiler
In the first timeline the saintess actually tricked him into following her into korea, cus she wanted to have all the credit, so he was in a new world where he got tricked to be in, he couldn't trust anybody that why he treated her so coldly, this is all I can remember but there's more spoiler if you scroll back into the comments
thanks!!