In order to take care of my wife who is about to give birth, my mother-in-law, Yuri, came to our house many times during her breaks from work. Thanks to her mother-in-law, it should be a little easier, but she constantly fights with her wife and ends up getting a ban on masturbation. A few days later, when she and Yuuri were alone, she confessed that she had been observing the no-masturbation order for a week now. Yuuri was surprised, but with a kind look on her face, she suggested, ``Shall I do it for you?'' Despite my hardening, Yuuri's obscene fingertips reached her crotch...