Asamiya Aoi is a mysterious, innocent young girl who is traveling through a futuristic land with the help of her "father's" sketchbook. While she may seem naive, she can be surprisingly tough and resourceful...

In this world, men live on islands floating in the clouds. But the heavens are also the domain of "dragon fish", gigantic monsters hostile to humans and their ships ... Yuu is one of the guards responsible f...