Please Don't Fall In Love

When Thomas finds out that Harry Potter is his brother, he transfers from Beauxbatons to Hogwarts. He meets Draco Malfoy's brother, Gally, and they eventually begin dating. Harry and Draco try to break up their brothers so they don't have to be related one day, but end up falling in love in the process. Harry/Draco, Thomas/Gally, Newt/Alby SLASH. Warnings and everything inside