Joousama no tamago manga

Joou-sama no Tamago summary:

Mia is a princess of the country where people are either masochistic (M) or sadistic (S), but generally only royalty is (S). Her daily duties consist of insulting, stepping on and generally bullying her people, and they're all happy about it! But the day comes when Mia has to transfer to a foreign country for a year to study there. The only problem is.... people there are normal. When Mia changes schools the (S) and (M) hilarity begins!