I think she's behaving exactly how a normal person from the XXI century would behave, especially considering her backstory, in such a predicament. I'm also annoyed by some of her actions but it's just checks out. I think the other ''I transmigrated...'' kind of stories gave us an unrealistic idea of how completely average Korean female leads from ''our'' world/age would act if they suddenly traveled to a historical European-esque world from a book or smth. For me, she's kinda refreshing because she's different from all these ''even tho I was a paper-pusher in South Korea after transmigrating I immediately became the smartest, most cunning, and charismatic aristocratic European lady without ever establishing or even hinting at me having/learning any of those traits or skill!!!!111!!!'' main leads