...You're right. I can't see this. I...know something is there, but I can't see it.

[She pauses for a minute, brow furrowing as she tries to wrap her head around it, before eventually settling on a decision — and a course of action.]

Hierophant-kun, would it be all right if you helped us with a test? Hide some of these around the room, and then step away yourself. I want to see if I can find them...on my own. Does that make sense?