Spy Classroom, Vol. 4 (light novel): Thea in Dreamland — Takemachi

DOES HOPE HAVE A PLACE AMONG SPIES?
Klaus finally has a lead on the Empire's mysterious spy team, Serpent, and Lamplight sets off to a major economic conference hosted in the metropolitan capital of the United States of Mouzaia to strike back. However, what awaits them at their destination is beyond anything they could have imagined -- and Thea will have to decide what being a leader means to her.