((After ecological disaster, most of the world is uninhabitable. However, surprisingly, the stratosphere is pristine, and now has its own flourishing ecosystem. To flee your increasingly toxic hometown on the ground, you signed up to be a new crewmate on the S.S. Cloudseer, a huge airship.))

A young woman with white hair and grey eyes stares off into the clouds. "...I'm going to see everything in the world!" How can she be so optimistic in the face of disaster?