From Easy Going Scans:
Before, magic filled up the world, and then magic suddenly disappeared, from everywhere.
Magicians can’t perform magic anymore, so now these formerly powerful, now talentless ones are looked down upon by warriors and practically everyone else. But two people in the world are able to perform magic after its disappearance, a power-hungry wizard and a young boy who loses everything he holds dear.
Follow Melrose and his companions in their adventures as they try to solve this Dark Air mystery.

The story is set in the West, with a bounty hunter named Sting Woodmack. He has one objective: finding Gold Romany, the group of thieves who have a country-wide bounty on their heads!