"Why don't I show you what being a woman's all about? Physically..." Mayu Minagawa, marketing whiz at a major foods company, is a virgin who has zero aptitude when it comes to cleaning. One day, she learns that her senior colleague (and one-sided crush) Yanagi's ideal woman is one who can do housework. But when she arrives at home still in shock, there's a man in an apron standing in a neat-and-tidy room!! And on top of that, this man, Shin, confronts her with a harsh truth: "I don't think men want to be with women who can't clean"! To bring herself in line with Yanagi's ideal, Mayu begs Shin for cleaning lessons. But then Shin suddenly tries to plant a kiss on her lips?!