Based on the Resident Evil fanfiction A Brother's Promise only with a Harry Potter Crossover Twist. In this story Harry and Hermione will be twin siblings. Also Sherry will Harry and Hermione's little sister. Pairings will be HarryxClaire, HermionexNeville, RonxLuna, SiriusxAmelia, RemusxTonks, SusanxPiers, LeonxAda, SherryxJake, DeanxSheva, ChrisxJill and CarlosxAlice
6 parts