Matriarchal Interference

Lyra Black was done with letting the wizarding world use her grandchildren as canon fodder. If Dumbledore thought his only problem was Voldemort, Lyra would happily make him remember just what makes the Black family so dangerous. After all, hell hath no fury like a grandmother protecting her grandchildren. fem!Harry - Harry centric - fem!Harry/? pairing - Sirius/Remus side pairing.