It wasn't because they had anything against Su Mu. They simply felt that for someone so young, a promotion to Taiping Captain would be too conspicuous.
A tree that rises above the forest will be broken by the wind.
Normally, the Taiping Bureau would have had enough power to deter all sorts of monsters and ghouls, so Su Mu's promotion would have been a simple matter.
But the Taiping Bureau was currently in a period of turmoil. The newly established Inspection Bureau was keeping a close watch on them, and demons were stirring restlessly in the shadows.
If Su Mu were promoted to Taiping Captain now, he would be exposed to the world too early, which could bring him trouble.
So, the Marquises at Headquarters decided not to promote him to Taiping Captain for the time being, opting for a different reward instead.
"I can understand not getting the promotion."
