Married to her husband for 15 years, Maki, the wife, didn't feel unhappy but felt a sense of loneliness in the monotonous daily routine of married life. Sex with her husband had also disappeared, and she began to question a life that seemed to only involve getting older. One day, by chance, she met her husband's subordinate, Ikeda, and gradually developed a relationship with him. Although she felt guilty towards her husband, she became addicted to the pleasure of sex after a long time…
