Aria. Volume 6

As a result of the terraforming of Mars, 90% of the surface of the red planet was covered by water and it received a new name — Aqua.

150 years later, a girl named Mizunashi Akari arrives on a spaceship to New Venice, a city created in the image and likeness of Earth's Venice.

She dreams of becoming an "undine" — a gondolier-guide. But will her dream come true, as passing the undine exam is incredibly difficult, and Aqua harbors many secrets and mysteries that a newcomer can easily get lost in...