Riho, a married woman who has a long-sought home with the help of her husband's parents and leads a happy marriage. However, her husband's boss's man changes her life. While her husband was absent, she used her boss's position to swell into her Riho and forcibly screw in a meat stick with her blood vessels floating, leaving a video of it. Taking advantage of her weaknesses, Riho continued to be given pleasure that her husband had never felt, and her resistance gradually weakened and she began to seek pleasure and meat sticks herself.