On Saturday night, Natsume (Ihara Rikka) made an appointment to meet Yamatchi at a hotel, but when she didn't come home by the time of the mixer, Kanta (Ino Kei) grew impatient. Meanwhile, while enjoying her mother Kaede's (Minamino Yoko) home cooking at her parents' house, Natsume realized that she had been ignoring the discomfort she felt towards Kanta in her married life, and she began to worry about the future of their marriage. Then, Maruyama (Nomura Kota), worried about Natsume, could no longer suppress his feelings of love and went out of control. Meanwhile, Kanta was about to question Maruyama about his relationship with Natsume. Then, Riko (Saito Nagisa) came over and Kanta was caught up in something Maruyama said, and he asked how long they had known each other... Meanwhile, Natsume's uncle and detective Minoru (Nozoe Yoshihiro), who was investigating Kanta's accidental death, found something that brought him closer to the truth of the death..