Three hundred eras have passed on the continent of Arad. The Sword God rules the Nine Kings' Domain and commands six-tenths of the continent. With his ambition swelling, he seeks to unite all of Arad. His older sister, the Sword Empress, rules the Ghost Domain and commands three-tenths of the continent. The Mage rules the City in the Sky and commands one-tenth. Thrust into power in a time of crisis, she ascends the throne of the City in the Sky. Her only remaining subordinates are the Captain of the Demon Guard and the Battle Mage, her two generals. The story begins as the Sword God's campaign gets underway. A letter demanding her surrender reaches the Mage. How will she respond?
There is no right or wrong in a war like this, only differing sides and evenly matched opponents. Neither of them is weak. With the world as their chessboard, who will claim the final victory?
"In this world, effort alone cannot close every gap. When it comes to controlling the elements, you're no match for your second sister, the Elemental Saint. When it comes to close-combat skills, you're no match for your eldest sister, the Ishtar Battle Spirit. And when it comes to communicating with monsters from other dimensions and using powerful summons to defeat formidable enemies, you're no match for your third sister, Moon Candle..."
