Yuna, who has been married for several years and is struggling with her relationship with her husband, attends a class reunion for the first time in a while. There, she met Ozawa, the teacher she admired, and they exchanged contact information and began to talk to her about her husband's problems. One day, Yuna witnesses her husband and her affair partner walking happily, and in a state of extreme exhaustion, she contacts Ozawa. Ozawa gently embraces Yuna as she grieves, and although he feels guilty about her, he