Hidden || A Harry Potter Story [Book 1]

While Harry Potter spent his first eleven years living under the stairs, his estranged little sister lived with Remus Lupin.
A week before their parents' death, Sirius Black took the baby girl with him and left her in Remus' care. Eleven years later the little girl received her Hogwarts later and embarks her journey at the magical school. How will everyone react when they find out that the girl is The Boy Who Lives' sister?
This is Charlotte Potter's story.

{takes place during CoS and PoA}