Ai, an unfaithful wife whose relationship with her husband has already cooled, receives a call from her lover, who asks if he can come over. She doesn’t refuse and invites him into her home. She tells her lover that she’s been getting a lot of calls from her husband even when she’s at home, and that it feels like she’s being watched. “That sounds fun!” the man says, excitedly. “You can answer the phone even if I’m here!” he says, and the two of them immediately begin making love. Then, she receives a call from her jealous husband! Even as she’s aroused by a cock other than her husband’s, the wife doesn’t forget to appear calm, deceiving and sticking to a lie, acting like an adult. The extreme excitement caused by the sense of immorality of doing something naughty over the phone inflames the married woman and her lover even more!