Sachika-san, who moved from Osaka to Tokyo when her husband became independent. Sachika-san, who had longed for life in Tokyo, actually had no friends in Tokyo and began to feel more lonely than she did in Osaka. Her husband was busy with work, and she felt lonely because she wasn't treated well, and that feeling grew stronger with each passing day. One day, her husband was on a business trip and Sachika-san spent the day alone, and she went out to eat by herself. After that, she happened to stop by a bar and met a man (Jun). From that day on, she was driven by a desire to cheat and began to have affairs in search of a woman's pleasure...
