Harry Potter Fanfiction Lily summoned herself a "friend" as a child, innocently enough and unbeknownst to her. Later, she chooses to forget the true nature of her friend, no longer believing in "imaginary friends." When she repudiates her friend in their fifth year, she "gives" him to Dumbledore to make him stop following her around. That was how a teenage Severus Snape first became the slave of Albus Dumbledore— until Hermione Granger's first year when she inadvertently frees him from the ties that bind to allow him to have a real friend. Hermione/Severus