Fifty-year-old mother Haruka was constantly met with discontented looks from her son Sho. Lamenting that she didn't recognize her own allure, Sho grew frustrated that no man had ever pursued her despite her beauty. Haruka spent her days drowning in masturbation, secretly tormented by intense sexual frustration. Seeing her like this only fueled Sho's irritation, and together with his nephew Junpei, they devised a plan to make her submit. They secretly recorded Haruka masturbating and used the footage to blackmail her into having sex. The beautiful mature mother Haruka is forced into unimaginable experiences at the hands of these male relatives!