Okuyama, a subordinate, misses the last train and ends up staying at his boss Ichikawa's house. - There, Ichikawa's wife, Kaori, met him. - Kaori teases the weak Okuyama while showing off her voluptuous body. - Okuyama, who is unable to sleep due to her molestations, can't help but peek into the couple's bedroom and find Kaori masturbating in a seductive manner. - To Okuyama's surprise, she plays with his cock, not caring that her husband is sleeping next to her, and enjoys the young man's intense pleasure...