Classic archetype that generally refers to a rich, beautiful, but stuck up, demanding girl. They're commonly tsunderes with the stuck up demanding side being the tsuntsun side. As far as actual world meaning Ojou refers to "My Lady/Mistress/etc" A similar meaning and spelled word (so similar some folks mix them up) Oujo means Princess litterally. The opposite type personality wise is the Hime-sama . Examples: Nagi Sanzenin (Hayate no Gotoku! / Hayate the Combat Butler!) Louise (Zero no Tsukaima) Ai Emma from Jigoku Shoujo Monster Princess Most rich girls with drill hair among a few others.