On this day, I was asked by my first ever girlfriend to visit her parents' house for advice. Recently, a suspicious person has been hanging around the house, and she has asked me to be a bodyguard for her mother, Kyoko, who is in trouble. I succeeded in capturing the suspicious person, but it turned out to be Kyoko's ex-husband... A few days later, I witnessed a scene that I shouldn't have seen. The calm Kyoko was blaming her ex-husband while repeatedly saying incredibly lewd things...