Responses
I don't think she hates him, she just doesn't want to get involved in case she gets killed. Since she knows what he is planning (betraying and usurping the throne) and also knows her brother, who she is now in the place of, gets killed in that situation, she doesn't want to be coerced into the same position and die young again.

I like isekaiS because they can be a step ahead of everyone, but when the author uses it as a basis for unwarranted hatred
Gee, its
Just frustrating
Also someone help them please