In a world where human existence teeters on the brink of extinction due to plummeting birth rates, the remaining populace scrounges for survival amidst the relics of past civilizations. Enter a young woman, freshly graduated and thrust into the role of a United Nations mediator in her hometown. Tasked with bridging the gap between humans and fairies, whimsical beings fixated on sweets and technologically advanced, she anticipates a straightforward mission. Yet, managing the chaos wrought by these carefree fairies in their quest for confectionery proves far more challenging than she ever imagined.