120% erection of humiliation and excitement! The popular NTR doujin "Untitled Document" is faithfully made into a live-action film exclusively by Minami Yasu! A serious and gentle husband, Kazu, and a slightly natural and bright wife, Mizuki. Blessed with children, they built a happy family, but... One day she found a file called "Untitled Document". Surprisingly, there were images that contained unthinkable dementia from her usual wife. Despite her confusion, Kazu didn't even question her girlfriend, and secretly filmed the situation.