結婚3年目。子を作る予定も無ければ、新しく家を買う予定もない。結婚前は燃え上がるような熱い恋愛をしていたが、徐々にお互いの熱も落ち着き、夫婦の営みも減って欲求不満に。オナニーすら知らなかった女が人生で初めて買った「ローター」が彼女を狂わせるー。Nao, a housewife who has been married for three years, has been living a comfortable life, but she is frustrated because her husband has male dysfunction. One day, while cleaning the house, she noticed that a young man who had moved into the house across the street was spying on her. Secretly fond of him, she seduces him and soon finds herself drowning in his attractive young body…
