Mayumi, who teaches mathematics at ● schools in Tokyo, is gaining popularity among students because of her bright personality and easy-to-understand classes. On the other hand, in my private life, I fell into complete sexlessness with my husband who has been married for more than 10 years, and I was living in agony. She had a secret that no one could tell. It is ... By skillfully guiding students who have an extraordinary longing and ideal for "older women" and secretly having a physical relationship, sex with a young man eliminates daily dissatisfaction. It was to do.