My-Otome is built on this trope, with an on-camera lecture devoted totally to "the correct approach to greet your master". Obviously, there's Tohru herself, however maids are handled as extremely Serious Business by the grownup people in Miss Kobayashi's Dragon Maid.Rudeus wonders whether they had been kidnapped from their villages and trained as maids particularly to be sold to the household. In the whole...