[Stone Era] Save the World and Fall in Love at the Same Time

Update more if you are inspired, update later if you are not inspired. Copywriting is hard work and there is no copywriting. That's it - save the world and fall in love at the same time. 1. This article is a stock buying article, I am not sure about the male protagonist. Single arrow exists. 2. The heroine is not a heartthrob, a fun person, or a riddler. She is the original heroine. 3. There may be private settings, please don't get too entangled, thanks for catching bugs. 4. Do not blackmail any characters. Comments about black characters in the comment area will be deleted. Please communicate in a friendly manner. Don't like exiting in the upper right corner, thanks. Purpose: Save the world