Shunsuke Yamada had failed life. No friends, no family, no future. In a world as unfair as the one he'd been born into, what was the point of living? In a world where no one was truly on your side, what was the point of believing? In a world where Shunsuke Yamada was worthless, why fight to have worth?

In contrast, the Sun King was a man of legend. A mythological figure traced back to the establishment of Aisan itself, the Sun King had been in possession of one of the 50 Ancient Runes. With more and more of the runes re-appearing, the entire continent has become ravaged with war and destruction. For the desolate province of Sumang, is the only solution to Summon the Sun King?