Guys she declined his offer because she didn't want to hurt him , if he calls her nuna she will always mistake him for yuni , and in the future of it we're to be revealed to him , he'll come to the conclusion that it's not him that she loves but yuni and that he is nothing but replacement for him + she is protecting her mental health as well , she obviously has trauma from losing her brother and she doesn't want to live it again specially since Caleb is the carbon copy of yuni
CROWN PRINCE IS GONNA DIE ?????