Hiiro no Koku (also known as "Secret of a Housewife") is an erotic OVA series based on the manga by Sanbun Kyoden. The series comprises five episodes, released between September 18, 1999, and September 18, 2000.ringing closure to the narrative arc of Etsuko, the central character. Throughout the series, Etsuko's journey is marked by a transformation from a conventional housewife to someone exploring the depths of her desires. In this concluding episode, the consequences of her actions culminate, forcing Etsuko to confront the reality of her choices and their impact on her personal life and relationships. The episode delves into themes of self-discovery, the duality of human nature, and the societal judgments surrounding female sexuality. The animation continues to portray explicit content, characteristic of the series, while also attempting to provide a narrative resolution to Etsuko's story.
