Butterbeer Mustaches

After the war, Hermione Granger decides to buy Flourish and Blotts and spend the rest of her life surrounded by books. Until, that is, she realizes just how much a certain Slytherin has changed after leaving Hogwarts. It only takes one cup of Butterbeer to get into trouble. / Fluff galore. One-shot turned multi-chap. I don't own these characters; they're just fun to play with