A WORLD FALLEN - A Post Apocalypse Novel

Ly Thien Anh's parents disappeared when he was young, living with his brother. After he turned ten, his older brother also disappeared. From then on, he lived wandering on the streets and market corners. In order to continue living, he did many jobs, from begging to stealing, and went in and out of prison many times. Although he is a sinner, Thien Anh is a person with principles, not the type of person who likes to do evil.
Due to living in a bad environment, Thien Anh's personality is very closed, careful and knows how to think ahead. He has no passion for gambling or girls, he likes quiet places.
Then one day, a meteor shower fell, destroying most human cities. Immediately after the unexpected natural disaster, the world's living environment changed completely. Once extinct creatures reappeared, plants and animals quickly changed and evolved strongly. Civilizations that once disappeared have now reappeared, revealing mysteries from tens of thousands of years ago.
The space portal appeared, countless races also followed the space portal to the human world. From here, the battle for survival between countless races broke out. These can be considered the darkest historical pages in human history.