Nozomi moved to a suburban condominium with her husband Koichi. Koichi discovered that their neighbor is an AV actor. Despite feeling unease, Nozomi becomes curious. One day, the neighbor, who had been targeting Nozomi, tied her up and assaulted her. Though Nozomi resisted, she was captivated by the professional skill and found herself drawn into an affair with the neighbor, which escalated.
