Every night, the lustful wife Rio's moans keep her father-in-law and brother-in-law awake. Not only that, but she makes some kind of mistake every day, leaving no room for peace of mind. One day, while her husband is on a business trip and sex is off the table, Rio tries to release her pent-up sexual energy through masturbation, accidentally breaking a family heirloom vase in the process. As punishment, she is ordered to clean naked except for an apron, but her aroused father-in-law takes advantage of the situation, claiming it as "punishment" and groping her massive breasts...
