Water sources go dry. Plants wither and die. All creatures thirst and starve. The blue oceans turn to sand, and the life of the sea no longer has a place to call home. Yet still, the sun continues to shine, mercilessly drying up what little water remains in the earth....

The promise is entrusted to two alchemists. This world has seen its fair share of Twilights, and is slowly nearing its end. Within this world, in the western reaches of the Land of Dusk, there exists a nation that has prospered through its use of alchemy. In order to survive...