The core of this narrative usually begins with a protagonist—often the husband or boyfriend—making a significant error in judgment. This "mistake" serves as the catalyst for the entire plot. In these stories, the mistake isn't just a minor argument; it’s usually a lapse in attention, a professional failure, or an emotional neglect that creates an opening for an outsider.

Tsuma Netori Rei: Boku no Ayamachi Kanojo no Sentaku (translated as Tsuma Netori Zero: My Mistake, Her Choice ) is an adult anime (hentai) series that premiered in October 2024 an adaptation of a visual novel developed by Key Details Original Title : 妻ネトリ 零 ～僕の過ち 彼女の選択～ : Produced by TEATRO Nishi Tokyo Studio : Originally released as a Web anime series.