you cant take just any child from other world who had a traumatic life and expect them to save your world, that is stupid and it was obvious she would be fucked up because of the trauma, you cant just expect her to be ok ヽ(`Д´)ノ
i don't think she had a traumatic life in her og world tho. she was more rather sheltered, spoiled, and overall had a good life in the og world. and bec she was spoiled, she was used to people letting her do what she wants to do. adding also the fact that she is also young and naive.
it coud be, but she mentions being locked up in her room by her parents (even if it was with the intention of getting her to study) that sounds really fucked up.
you cant take just any child from other world who had a traumatic life and expect them to save your world, that is stupid and it was obvious she would be fucked up because of the trauma, you cant just expect her to be ok ヽ(`Д´)ノ