Hey im not sure if this has been done before but I thought I would give it a try basically this is Ouran high school host club but Harry Potter style. I hope that you like it and this will be SLASH so people have been warned.
Ok so the characters will be as follows :
Haruhi- Harry Potter
Hikaru and Kaoru- Fred and George Weasley (honestly didn't see that one coming did ya :D)
Tamaki- Draco Malfoy
Kyoya- Theodore Nott
Mori- Blaise Zabini
Hunni- Seamus Finnigan
Also I own nothing of Ouran high school host club or Harry Potter.
I hope you enjoy the story!