"Ryoichi", who was a professor at a university until retirement age, married his student "Michiru" and retired. "Ryoichi" was never satisfactory for young "Michiru" due to erectile dysfunction, but she loved "Ryoichi" and had no particular complaints. One day, "Ryoichi" suddenly loses his eyesight after contracting a mysterious disease. Hearing sharpened in exchange. "Ryoichi" who fell into desperation made a plan, "I want to hear the panting voice of my wife who I don't know."
