Ueda, who went to stay at a friend's house, had long been captivated by the beauty of his friend's mother, Ichika. Before he knew it, his desire to see her outweighed his initial intention of just having fun. One night, Ueda accidentally witnessed Ichika masturbating while talking on the phone with her lover. Embarrassed, Ichika begged him to keep it a secret, but seeing that lewd sight, Ueda couldn't control his impulse and presented her with a condition: if she didn't want her affair exposed… A few days later…
