In this screwball romantic comedy, Haruhi, a poor girl at a rich kids' school, is forced to repay an $80,000 debt by working for the school's swankiest, all-male club—as a boy! There, she discovers just how wealthy the six members are and how different the rich are from everybody else...

The two senior members of the Host Club are graduating and will lead separate lives at university. Everyone is mourning the loss of the “Hunny-Mori Combo,” but the longtime duo already seems to have ended their close friendship. Now Mori has challenged Hunny to a duel—but why?