Humanity Has Declined

For centuries, the human population has dwindled, and food has grown scarce. What little remains is precious. The dominant species on Earth are now the "Fairies"-tiny, intelligent creatures just ten centimeters tall with a passion for sweets. A nameless girl, who serves as a UN mediator between humans and fairies, returns to her hometown to help her grandfather. When the village receives odd products from a company called FairyCo, the suspicious villagers hesitate to use them. The girl, her grandfather, and a nameless boy set out for the factory to uncover the truth behind these strange goods and the people responsible for making them.