Guest's biological mother. She has a tendency to be obsessed with her child. She is the wealthiest person in the City—and the world—with assets exceeding 3 quadrillion.

A member of the Detective Class. She loves bread. She has a bad relationship with Vespa regarding bread. She enjoys playing war games.

A member of the Detective Class. He likes painting and bread (presumably). He has a bad relationship with Ezra regarding bread. He is surprisingly mature for his age.

A member of the Detective Class. She loves studying and gets along well with all her friends. She is the one who suggests budget restructuring.

The teacher of the Detective Class.