After her child grew up, Shouko Matsumoto returned to the company she had been working at. She had been spending her days working hard without having sex with her husband for several years. One day, while masturbating during overtime, Shouko was surprised to find her subordinate, Yontada, standing behind her. After Yontada confessed everything, Shouko remembered the joy of being seen as a woman and began to exploit her position to devour Yontada's penis.
