Julia, an office worker who lives in a big city somewhere in North America. Her daily pleasure is looking at the photos of her older sister she has taken on her smartphone on the train during her commute. One day, tired from work, she comes home, has a light meal and falls asleep immediately, and then a miracle happens. One night, as Julia falls asleep, her older sister appears and takes her on a date. They climb a tower to look out over the city, eat here and there, and the two of them are satisfied in both their stomachs and their hearts. However, her older sister is actually...