The Kingdom of Great Leyth is ruled by the magical nobility, whose magical barriers and powerful spells are able to resist any commoner's sword or spear... So I shot them!

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In the land of Great Leyth, mages are so incredibly powerful that their magical barriers can repel any sword or arrow flung against them, and with their power, they tyrannise the commoners.

When Seraphine Clay returns from her travels to the Eastern Lands with gunpowder, however, a mage finds himself with a very bullet-shaped hole in his torso.

Imprisoned in the darkest dungeon for daring to threaten the magical order, she encounters the rightful heir to the throne, Princess Cordelia. Both of them agree that the tyranny of the Archmages needs to end, but Seraphine was born in a Republic, and feels uneasy about helping a princess replace one system of tyranny for another...