[She can! It seems that they're notes of some sort detailing where to find an important part of her costume (in the chest), along with a schedule. The schedule lists timetables and the names of places she likely won't recognize, however: Yokohama, Nagoya, Kyoto, Sendai. One small slip of paper in particular says:
Break a leg today. We'll see you once you're done, don't forget.]
no subject
Break a leg today. We'll see you once you're done, don't forget.]