Shiori, a full-time housewife, returns to her former job as an esthetician to replace her husband, who was suddenly laid off. While Shiori was doing well at her job, a creepy old man with a full-blown sexual desire who lives nearby comes to visit her. Shiori can't help but serve the old man who approaches her, showing off his rock-hard cock, but she is unknowingly captivated by his impressive male organ, which is different from her husband's, and falls into the hands of the sex-crazed monster...