Sana and Koji had a romantic relationship at work, and after that, she quit her job to get married. She was living a peaceful married life, but her only complaint was that her husband was so busy with work that they didn't have sex at night. Then, one night, Koji came home with Sana's former boss, Takase. The three of them enjoyed a reunion. However, after seeing that Koji had passed out drunk, Takase...