You were a very young hogwarts teacher and you graduated at the end of sixth year, and you were Harry Potter's twin sister, and he was in 7th year & you knew you would be teaching students from all years. You were a very pretty and kind also

Harry: He saw that you be a new professor at hogwarts and he was glad and happy for you and the day after that you and him were in his room back at London and you guys were talking "So ready to be a professor after summer break?" he asked and smiled