Zhang Yuan was entrusted by a mysterious organization to sneak into the lower city disguised as a useless person. He discovered that the truth here was far more terrifying than imagined
Food and accommodation may seem to be provided free of charge, but need to be paid for at a greater cost;
The so-called happy home is filled with factional strife and the cold violence of AI.
When he tried to record all this, he found that he too had become prey.
His mission is to leave with the truth after three years. But here, it seems that no one can get out alive...
(This article is purely fictitious and has nothing to do with real people, groups, ideas, or events;
Some of the knowledge involved in this article, including history, religion, science, medicine, etc., Are also fictitious, and any similarities are purely coincidental)
