Responses
agreed
It's not romantic but reasonable
It's not meant to be romantic, in a sense. She certainly doesn't seem taken by him, but she is overwhelmed by the city and finding out that she's now with the prince. But since we know how these two end up, odds are it's going to be their interactions going forward that will be romantic. So the trope here is the whole "I can't stand you, but eventually I will love you" kind of thing.
Yn-hi is so passive it's annoying . Maybe for a japanese audience the trope "get's taken and is too afraid to say anything or complain" is somewhat romantic but that's not doing it for me.