The world is a sea of sand, and the city is isolated on it. In the wind and sand where everyone has turned into death, the aliens are stirring. My assistant girl and I crossed the desert, faced giant beasts, faced the wind and sand, and transcended death. At the end of the journey, there are songs and... The thoughts of the people being conveyed. Bicycles, guitars, and a whole pot of sweetened barley tea to go. This is the postman's story of sand.