Devy Granger was just out of boarding school when she got her Hogwarts letter. Her sister (Hermione Granger) despised her, almost as much as her parents did. Devy also had a tiny crush on Draco Malfoy since 3rd year. How long until Hermione spills ? Draco Malfoy has had a crush on Devy for as long as he could remember, although her sister has gotten in the way of him ever acting on it.