Hermione Black-the girl who sacrificed

Hermione granger later known as black was a girl who lost her parents at a very young age. She was adopted by her best friend's godfather Sirius black and his family and later became the sole heir of the most ancient and most noble house of black. She became the most powerful witch of her time. But the war destroyed everything which she held dear. What happens when she is given a second chance to change everything for better and bring back the lost family members who were assumed to be dead!!