[No female lead + natives strike back against transmigrators + episodic supernatural crime cases + rules-based power fantasy]
The Great Jing Bureau of Supernatural Investigations hunts visitors from beyond the heavens.
These visitors arrive with Systems. They monopolize commerce through modern business strategies, dominate the streets with elite-soldier combat skills, and alter fate with their prophetic knowledge. They think their superior perspective will let them rule the ancient world with ease.
Qiu Yun, the most unassuming junior clerk at the Pingjiang Bureau of Supernatural Investigations, believes that “the rules contain every truth.”
You have a business System? I'll use Great Jing's commercial laws to seal your warehouses and cut off your supply, leaving you with nothing to sell.
You have an elite-soldier System? I'll trap you in a narrow alley and wear you down until you can't put your strength to use.
You have a prophecy System? I'll break your cycle of cause and effect until there's nothing left for you to calculate.
Talismans are tools; rules are blades.
One talisman, and the System collapses. Every transmigrator is brought to justice!
But the deeper Qiu Yun investigates, the more he discovers that behind these mass-deployed transmigrators lies a celestial game of strategy spanning three hundred years...