Kakeru, a bachelor, meets Yuri, a married woman, at a local izakaya. She’s going through a rough patch with her husband and ends up sitting next to him for a drink. They become close friends, and soon their relationship turns physical. Kakeru gives Yuri a spare key to his apartment, and she starts visiting him after her husband leaves for work, carrying groceries in one hand and heading straight to his place. To fill the void left by her husband’s absence, Yuri spends intimate moments with Kakeru in his apartment.