Sorry, but I have to disagree with you. She is not dense, she is just being conscious because her life is at stake. Plus, you can never easily guess someone's feeling at all unless they confess.
I mean, him getting extremely upset when she says, "Oh, we can get divorced if you want," should have been the point where she would've been like, "Huh, maybe something is going on here."
Even if not in love with her, it should be a sign he's not in love with the other girl.
I kinda agree with u here now that u mentioned it. I mean it's good to not be full of yourself, but at this point most people would get a slightttt hint. I don't know maybe she's in denial cuz her original plan was to get a divorce and live her life so she's probably pushing away those feelings. I hope she's not actually that dense..? ╮(￣▽￣)╭
I understand her if she doesn't think that way because the male lead (from what she knew) is the one who is going to sentence her to death. Her life is in danger by the hands of that man and I wouldn't think that your own slaughterer will actually like you. Plus what if, just like what you have said in your other comment, Cesar lost his trust in Canaria and Canaria ended up holding onto that something you were talking about. Also, Cesar still contemplates about Canaria being on his side. One mistake might put Canaria in danger. Assurance is important if your life is at stake.
Same in the raws. This girl is so dense. You changed the timeline, you don’t think you can change his feelings about you, too?