A Little Princess (2009)

Sarah (Mirai Shida) studies at a prestigious all female high school. Her father was extremely rich but dies after the collapse of his business. Because of this, Sarah moves from the student dormitory to the staff quarters and begins to work for the school. Sarah then faces a lot of hardship, as her former jealous classmates and principal tries to make her life as difficult as possible. Through all of this, Sarah attempts to stay cheerful and positive.