Kakeru, who lives alone, one day meets a married woman named Yuri at a nearby izakaya. She is at her wits' end due to a fight with her husband, and they end up drinking together. From that point on, they become close, and eventually start having a physical relationship. Kakeru gives Yuri the key to his house, and she starts coming over when her husband goes to work, carrying a shopping bag. They spend intense time together in his room to distract themselves from the loneliness of their missed encounters…
