Ryoko Sumida, 55, comes from Iwate. Last year, Ryoko's son got married and she started living with her long-cherished dream of living with two generations. However, one day, something unexpected happened. When Ryoko woke up late at night to go to the bathroom, she heard the sounds of her son and his wife trying to conceive coming from their room... Listening to her wife's lewd cries every night made her aroused... and finally masturbated for the first time since her marriage. It's been 23 years since they last had sex, but today Ryoko howls in excitement as she has her first real sexual encounter in a long time!!