Serena Moore is the daughter of Selena Moore and... Sirius Black? She was now aged eleven, right age to enter first year at Hogwarts School of Witchcraft and Wizardry. The Chamber of Secrets is now open and Harry Potter was accused of being Slytherin's descendant who attacked petrified students, including a ghost and a cat. This can be also found on Wattpad. - vandathiel