Midori Nashiro is 37 years old and works as a cosmetics demonstrator at a department store. Since her divorce, she has been living alone with her son, and people often tell her they look less like mother and son and more like a romantic couple. Though she feels embarrassed by such comments, deep down she is secretly pleased. She senses her son may also be becoming aware of this unusual closeness between them. After separating from her husband, the suppressed desires within her have grown stronger, leading her to crave a physical, lover-like relationship.