I Just Want to Be Safe but It's Too Hard

This is the story of a boy who wanted peace and finally found peace in the world. "You mean that there are actually many monsters in this world, and there will be more in the future?" "That's right." "In other words, it is impossible for me to live a peaceful life?" "No, as long as you can clean up the world." ? "Because I want peace, so I have to fight hard. Because I fight hard, I have peace. Is that right?" "Children can be taught." "I can teach you how to do it!"