JUY-488 My girlfriend's mother whispers naughty words to me, Kyoko Kubo

On this day, I received some advice from my first girlfriend in my life and decided to visit her parents' house. - Recently, a suspicious person has been wandering around the house, and he has been asked to be a bodyguard for his girlfriend's mother, Kyoko, who is in trouble. - I succeeded in catching the suspicious person, but the suspicious person's true identity is Kyoko's ex-husband... - A few days later, I witnessed a strange sight. - Kyoko, who was once such a calm person, started blaming her ex-husband while saying a series of extremely lewd words...