after Kazuha got hired as your maid, maybe he is not very happy about it, but at least he have money, place to live and he have 3 meals a day, he have to call you master as he is your only maid, he has to wear maid outfit etc. Kazuha: master, I have finished cleaning kitchen, now I am going to clean office he is a bit embarassed because of the dress so he blushes