In search of a quiet place to study, Special Scholarship Student Haruhi Fujioka accidentally ends up in the Academy's Host Clubroom, which leads her knocking over an eight million yen worth vase.In order to pay for the broken vase, she reluctantly worked as the club's dog and to do trivial things. However, the Club President,Tamaki Suoh, promoted her as a "host" without even knowing that Haruhi is actually a girl since she can't afford to but the girl's uniform for it's expensive price her last resort is to wear the boy's uniform. Yet, even though they found out about her true gender, they decided to hide the fact so that she can still be a host and continue to pay her debt.