Friendship with the Potions Master (Severus Snape x Slytherin student! reader)

Y/N Y/L/N is a shy, quiet, smart and hard-working girl who is sorted into Slytherin. Her father, Y/F/N Y/L/N, is keeping a secret from his own daughter which involves the death of her mother. During her seven years at Hogwarts, she develops a friendship with the Potions Master who is also her Head of House - Severus...

The Potion Mistress & the Half-Blood Prince

Severus finally gets the position he has always wanted, but it means dealing with a new Potions professor and a woman from his past. Takes place during the HBP, DH and beyond. AU. Rated M for later chapters.