Kokoro is a beautiful receptionist who is well-known in the company. Many men try to woo her, but she doesn't look back. She has an affair with someone else. The two have a recurring affair in the office. A colleague who feels annoyed by this attacks Kokoro. Even though she hates it, she can't get the pleasure of the day she was raped out of her head. Then, one day, her affair is discovered and Kokoro is seduced by her colleague in front of her affair partner...