Kuuzoku Hack to Jouki no Hime

The Mist Industrial Revolution ushered in the "Age of the Air." As people move their lives from the ground to the skies, "air pirates" appear, forming cliques and roaming the skies. Among them, there was a pirate who disliked herds and roamed the skies freely, and his name was Huck, an air pirate. The adventures of Huck and his crew in search of treasure and romance begin now.

(Source: Mag Garden, translated)