This world still doesn’t know the power of steam and electricity, but the air element has already been conquered. And so, catching the wind with sails, hundreds and thousands of ships glide across the sky—so similar to the ships that roam the seas and oceans. Lyukanuiel Soringer, accidentally getting on the deck of one of them as a boy, has been sick with the sky ever since. Now, ten years later, he is a captain and owner of the “Heavenly Wayfarer.” It may be very small, but the “Heavenly Wayfarer” is his own ship—and there it is, the sky, close at hand. Yet in this life you have to pay for everything, including the fulfillment of your dream…