Nanako, a married woman, is called to a hotel during the day and is found having an affair by her husband's subordinate, but she shows no remorse, saying, "You can at least keep it a secret from your husband, right?" In order to punish this defiant wife, the subordinates force their big dicks into her cheeky mouth and ravage her throat until they're satisfied. Eventually, her inherent masochistic nature begins to show, and she transforms into an irama slave wife who drinks the semen that is ejaculated of her own volition...