The Lion Witch - Harry Potter

After witnessing her mother's death on the platform 9 3/4, then losing her father and brother at a young age; sixteen year old Nala Lamia begins to doubt how her brother really died, and who her father really is. This love-hate relationship is accompanied by Severus Snape who appears in a lot of dire emergencies, and knows more about what really happened than he shows.. Snape/OC