The Mist Industrial Revolution ushered in the "Era of the Sky." As people move their lives from the ground to the sky, "sky pirates" appear who form a gang and wreak havoc in the sky. Meanwhile, there was a sky pirate who hated groups and ran freely through the skies, his name was Huck. The adventure of Huck's gang in search of treasure and romance begins now. The neo-juvenile fantasy brought to you by Tomonori Inoue of “COPPELION” begins!!