Natsumi, her brother-in-law, Makoto, had been fired from his job and had come to live with the Matsuoka family, but she felt very uncomfortable. Natsumi's dissatisfaction with Makoto's messy room, drinking, smoking, and violent behavior reached a boiling point, and she consulted her husband about kicking him out. A few days later, when she saw Makoto taking money from the couple's living expenses while her husband was out, she blurted out, "Please get out of here." Makoto was furious when he heard this, and pushed Natsumi down, causing her to climax over and over again with the man's filthy cock...