Reina Mitori is an unfaithful busty wife who meets her lover while her husband is at work to satisfy her desires. The man she is cheating with asks Reina to call her husband as a prank, to see if he notices her cheating over the phone. The wife keeps her voice down and stays calm during the phone call. She's good at deceiving people. She wants to concentrate on sex, but she pretends to be calm even when she is feeling it, probably because she is worried that her husband will find out. The man wants his husband to hear his moans when he is feeling it, so he asks the wife to call again while they are having sex, wondering what will happen! Will her husband get suspicious? You'll have to wait and see to find out the results.