Snakes Keep Their Secrets

Abused by the Dursley's and ignored by everyone else, Parseltongue becomes Harriet Potter's escape and brings out her Slytherin side. After a chance encounter with Draco aged 8 brings her abilities to light, Lucius takes an interest and inducts Harry into the magical world. Fem!Harry, Super!Harry, Slytherin!Harry. Not M for a long time but might get dark later.