Aria. Volume 7. Amano K.

As a result of Mars terraformation, 90% of the surface of the red planet disappeared under water and it received a new name - aqua. After 150 years, a city created in the image and likeness of earthly Venice, a girl named Mizunasi Akari arrives in the new Venice, a city created in the image and likeness of Earth Venice. She dreams of becoming an “Undine”-a guide-tart. But whether her dream will come true, because an exam for the position of Undina is incredibly difficult, and Aqua is fraught with many secrets and secrets, in which it is so easy to get confused...