Su Ziqi traveled back in time to ancient times, with a huge golden finger, and became the richest man casually. But she just didn't want to make money, because she thought money was too vulgar. She just wanted to find a reliable partner to have children to pass on civilization (Dense Fog)
ps: The heroine is a post-apocalyptic woman, Golden Finger Encyclopedia of Human Civilization. In order to pass on human civilization in the post-nuclear era, the government implanted a human encyclopedia into every survivor.