i like how the author knew that everyone was gonna be able to follow that line of thought and just skipped straight to the juiciness that is katase's reaction.
@Tamerlane let's be honest, we know nothing of Chief's management skills, aside from the fact that he is an extremely lenient boss (which isn't necessarily a good thing). And we've known the sister for about 5 pages. There's really no way to objectively decide on the better person for the job.