End of the World Cycle

I was originally a marginal person in a book, timid, cowardly, selfish, and saintly. Time and time again, my saintly heart and conceit almost killed my family again. Then I realized that only when I grow strong enough, the world can tolerate all my shortcomings. ————————The superpower bosses in various bases never thought that when they saw the murderer clearly on their deathbed, it turned out to be the weak little girl who could only rely on herself to survive and lived humbly by their side. As their superpowers were sucked away by the little girl bit by bit, they realized that this girl was so powerful that it was terrifying. ———————— (ps: The heroine is definitely not a good person, nor is she...