The unchanging cityscape, nostalgic atmosphere ... I was informed of my mother's remarriage and had been returning home for the first time in a while. I heard a familiar voice when I was calling her mother in a familiar park. Looking back, her first love was Rinko, her aunt, and they headed to her mother with the joy of reuniting. After finishing the greeting, my room is full of luggage and I can't stay at my parents' house. Rinko-san will stay for three days, looking at me who is very depressed. And helped her ...