Aiko is a 53-year-old housewife. Her relationship with her husband is not bad, but caring for her mother-in-law is frustrating. What she thinks about every day is that she wants to remain a woman forever. Her desire is no longer satisfied by her married life with her husband, and she ends up having a physical relationship with her neighbor, Maeda... The flames of lust burn in her body just before menopause. Will sexual pleasure or carnal hell await her?