Special Duty Group.
That's the public identity in human society of the action team under Stasi. Their main operations are wet work—physically eliminating any human anti-V.E forces ranging from high-ranking officials to civilian scholars and thinkers. So calling them a group of assassins is more apt.
Such a fake smile, like they have a hidden blade, is really suited for these killers and spies.
"I've never heard of a unit under the Special Duty Group responsible for VIP protection."
Facing Roland's doubts, the gentleman of letters revealed a more business-like expression and replied:
"Actually, the duty of protecting VIPs and planning the transportation routes for important characters and objects has always existed. It's just that it tends to be overlooked due to its unremarkable nature. But there are recent discussions about whether or not to make this business open to the public."