where due to society/government in the novel, there are rules or issues that make the people of that world live in a more degraded environment than modern society.
When the apocalypse broke out, Yu Qingxian chose to die.... more>>
But death failed, and she became a zombie.
With social anxiety and depression in life, she chose to go on a walking tour.
Since she was a zombie anyway, she seemed to have lost her fears.
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