In a world where a mysterious phenomenon has caused all nutrition to be lost from food, people can only taste a single, bland substance known as "holy food." A hidden movement called the Children of the Sky has arisen, claiming that the ability to taste is a sin.
15 years after the end of the modern era, the story follows the main character, who is determined to find a way to restore the taste of food. They begin to research and experiment, despite the risks and dangers posed by the Children of the Sky.
The main character's journey takes them through a world where the only source of sustenance is the "holy food" and the only hope for a better life is the Children of the Sky.
They struggle to survive as they come to grips with the harsh realiti…