A food delivery worker—and you're saying he's a criminal investigation master?

Lin Yuan, an ordinary food delivery worker, was chosen by the Criminal System after a heroic act. What? Deliver the killer straight to the police station? Isn’t that crossing a line?
Meek in front of authority, ruthless in the face of criminals.
But one day, when voices echo within the System’s shadowy space, Lin Yuan realizes this isn’t a cheat-code life—it’s a plunge into a darker, bloodier reality…