[ Himeka taps her nose once before pointing it out towards...everyone else. ]

I've been watching.

[ She zeroes in on one of the guards standing not far from the entrance that they originally were brought in through. ]

That one has switched places with one of his friends twice, so I think there are some semblance of "positions" that they're supposed to be holding.

[ Shifting her attention, she points to another directly adjacent from them who seems to be staring off into the distance. ]

That one, on the other hand, has barely moved. They could be stoic and very dedicated, or...totally out of it. I'm not sure which.