YOU SAID:
once upon a time there was a girl who wished she was a princess so she murdered princess kate so that she could be royalty
INTO JAPANESE
むかしむかし、王女になりたいと願う少女がいたので、王女になるために王女のケイトを殺害しました。
BACK INTO ENGLISH
Once upon a time, there was a girl who wanted to be a princess, so she killed Princess Kate to become a princess.
INTO JAPANESE
むかしむかし、王女になりたかった少女がいたので、彼女は王女になるために王女ケイトを殺しました。
BACK INTO ENGLISH
Once upon a time, there was a girl who wanted to be a princess, so she killed Princess Kate to become a princess.
That didn't even make that much sense in English.