Five years ago, Shoko lost her beloved husband. Now, she lives alone with her son, who is about to take his entrance exams. She has long forgotten her identity as a woman, dedicating herself entirely to raising her son and working hard to support them. Yet, overwhelmed by loneliness and exhaustion, there were nights when she lay alone in bed, touching herself for comfort. Then one day, an encounter with her son's friend awakens the dormant feminine desires deep within her, reigniting feelings she thought were gone forever.