Emi Kaneshiro is a new transfer student to Ouran Academy who is about to be 15. She is finally returning to Japan from America after 2 years of being gone. When she arrives there she meets new friends, and comes across old ones? Hikaru and Kaoru Hitachiin are the notorious twins at Ouran Academy, once known for isolating themselves from other people. Now however, they are social butterflies. How will they react when a certain someone comes back into their lives?