In Ashuikn, a huge world filled with magic populated by countless of races. Wars start and end, alliances formed and broken with every passing day.

With such circumstances, summoning a hero was a normal occurance that happens every 70 years in average for a single country that wishes for the help of a talented individual from another world.

However among those races in the world, one race truly stood out from the rest, the dragons.

A pure blooded dragon should be worshipped, held in revere for their mightiness and rarity.

But with the current situation of the world, they were sold to powerful countries as familiars.