In order to be bought by a rich family, Narumi Inoue, hiding the truth that he is a man, goes to a girls' school. As a trainee, Narumi was sent to serve a girl from a rich family who hates maids (only weekends). Keeping the 'heart of treating/serving people,' Japanese maid, Maid in Japan, Narumi's battle will start? If it is found out that Narumi is a man, he will be castrated.