[JUC-582] Married Woman’s Private Lesson with Yumi Kazama, Unsealed Exclusive

The Kazama couple has been married for three years. At the beginning of the marriage, they loved each other intensely, but recently their sex life has become a rut. My husband prepares a vibe to improve it, but my wife Yumi scolds her husband who tries to rely on tools and puts it away in the cupboard. One day, Yumi, a returnee and fluent in English, asked her nephew Toshio to teach her English conversation. A few days later, Toshio visits her house and immediately starts studying English conversation, but by chance, Toshio finds a vibrator that has been put away in the cupboard.