Mitazono Kaoru is a superb housekeeper who belongs to a housekeeping agency. Although he is a male in an industry dominated by females, he handles housework such as cleaning, laundry, cooking and babysitting perfectly. However, it is not just the dirt in the house that Mitazono cleans. He completely cleans off “deep-rooted dirt” in the households that he is assigned to each time. These are the households that society calls the “successful”