Y/n and Jungkook were inseparable as children, almost growing up together, until the boy unexpectedly moved away from the small Korean town during his last days of high school. Y/n did everything she could to reach him somehow, or to find out where he had moved to, but she was unsuccessful. The years passed, Y/n stayed in her hometown and built a life for herself, had a stable job at a marketing company and a somewhat distant and quiet boyfriend. But what would happen if Jungkook appeared at Y/n's door one evening after 10 years with a knock?