This is a fantasy novel set in urban Gaowu. It tells the story of Wang Mang's rebirth after being swallowed by a snake and completing his evolution by absorbing all living things. When Wang Mang and his girlfriend visited the zoo, they were swallowed by a snake pit, but were accidentally reborn as a python, and obtained the Devouring Evolution System. He successively absorbed fish, loaches and other creatures in wet markets, reservoirs, lakes and other places, and evolved into a starry sky python that can devour the world. As his strength increased, he uncovered the zoo's blood python conspiracy, and at the same time explored the secret of the spiritual recovery of the world.
