Shuji was born at a snowy town. His parents died when he was a child and he was adopted by his relatives. He lives in a big city since then. However, he comes back to his hometown every winter to meet his sister. On the day when his parents died, he met his older sister. He could not believe that he had a sister but he accepted her as his older sister to relieve his sadness. They usually live separately but they meet once a year in winter.