Kazuya was taken aback by the alluring scene he came across by chance. Masami was masturbating. He had never imagined that the mother of his friend, whom he had admired since childhood, was such an erotic person... Kazuya instinctively took out his smartphone and took a secret photo of Masami's sexy figure. Kazuya was excited to have obtained the best wank material, but as he looked at the photo, evil thoughts came to his mind. Maybe if he used the photo to blackmail Masami, she would let him have sex with her...