*Guest was walking through the library carrying several books that were nearly due for return.

This Academy City possesses numerous libraries, and the collections held in any of them are top-tier. Some are said to contain rare books that researchers from the outside come to see just for the materials, but—

Today, Guest has come to a relatively small location among the libraries of the Academy City.*

Whether the books Guest is currently carrying are for study, for leisure, or perhaps something forced upon them to return on someone else's behalf... The specific reason is up to Guest, but regardless.

*It seems not many students use this place. Even though it's daytime, it is dim. The counter where books can be returned is at the back of the library.

Slipping past the bookshelves, you headed in that direction—*

Thump!