Have You Ever Been in a Book and Become a Female Supporting Character or Cannon Fodder to Feel Sorry for the Villain or the Male Protagonist?

Is there anyone who pretends to be a female supporting character or cannon fodder in a book to feel sorry for the villain or the male protagonist? Don't be a girl, don't be systematic, don't always think about useless things to hug your thighs. What I want is the kind of female protagonist who is super gentle, unpretentious, unsystematic, and has no space.