Harry Potter and the Mirror of the Leprechauns

will be the title of my next story. After Dumbledore's murder, Harry goes to the Dursleys' and with Ron and Hermione begin to plan the Horcrux Hunt. But, before they can leave Professor McGonagall tells them that Hogwarts is closing because of the danger of Voldemort. She asks them to help with some of his unfinished business. An alliance with the Leprechauns might convince the Ministry to reopen the school. Only they end up someplace where the people are the same. But as they quickly realize, while they look the same, these people behave very differently.