[The introduction is a must-read. The protagonist is Shang Chang'an, the favorite of the protagonist's group, Wenxu has a girlfriend but has very few scenes, and the world view is clearly introduced. This is a cool novel, the protagonist will never die, there are major twists, there are many supporting characters, the work is more daily, there are many place names, micrograms, and the perspective is random. In the early stage, it is basically Wenxu's perspective. ]
Background: Due to the greenhouse effect, most of the world's glaciers have melted, and sea levels have risen at a rate that exceeds human expectations. Some scientists have brought some technologies with them to other planets in advance, and have never returned since. The remaining humans have survived various environmental and radiation effects. They live on the sea and are scattered. Gradually, humans have evolved strange symbols called "numbers". They must meet certain conditions before they can appear in humans. The abilities they bring are like God's gifts, and they have brought new hope to humans in disguise...
Purpose: Save the world