Forty-nine rules of the end times

The mysterious beings known as "Fire Stealers," carrying the rules of the apocalypse, suddenly descended upon Tianshui.
Only those who pass all forty-nine end-times rules can reach the source of all secrets.
[Apocalyptic Rule 1: Sleep Deprivation]
[Rule details: You may not enter a state of sleep in any form for 72 hours from the date this rule is issued]
[Failure Penalty: Once you fall asleep within the allotted time, you will never be able to wake up again.]
Social unrest, global collapse.
As the world is shrouded in the terrifying shadow of apocalyptic rules...
Guan Tong, a time traveler, discovers that he can actually see the "hidden rules" behind the rules.

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