The Host From Down Under (Book 1)

Angel Rogers - Phantomhive, cursed with knowledge of a world of assimilation and of the worst possible future (according to her). She must take steps to ensure the future, even if it means stepping outside her comfort zone and going to the Prestigious Highschool Ouran Academy for the 'Opportunity of a Lifetime' while disguised as a boy. Who she meets along the way is another matter all together.