Kazu, a serious and kind husband who values his family, lives happily with his cheerful and naive wife, Mizuki. Blessed with children, their life seems perfect—until one day, Kazu discovers a hidden file on her computer titled "Untitled Document." Inside, he finds shocking images of Mizuki behaving in ways completely unlike her usual self. Instead of confronting her, Kazu chooses to secretly record her actions. This live-action adaptation faithfully brings to life a popular NTR doujin work, starring exclusive performer Minami Yasumi. With masterful direction that captures the essence of the original and a thrilling, heart-pounding storyline, this film delivers a relentless series of humiliation and arousal. The sequel, "Untitled Document 2," is already available!