Yuki Hayami (32) is a full-time housewife currently undergoing fertility treatment. Her husband of seven years, Keisuke, has been busy with work and the couple has been speaking less and less. She has quit her job, is unable to have children, and spends her days worrying about her busy husband while dealing with her mother-in-law, who visits unexpectedly. She wonders what will be left of her life, and decides to start working again. However, what awaited her during her job search was a reality that she could not accept. At that time, she meets Eiji Mochizuki, a classmate from junior high school...?