Four months before Bella Swan moves to Forks, Rosalie Hale meets a new student who recognized her from photos when she was still human, but none of the Cullens have an idea who the new student was. All the while, the Cullen clan stumbles upon a vampire named Edythe who has an ability that took everyone, even Edward, by surprise. Quick explanation of the title * Perennial [adjective]: lasting or existing for a long or apparently infinite time; enduring or continually recurring -- Much like vampires * Perennial [noun]: a perennial plant -- The two main characters are named Rosalie (nickname: Rose) and Lillian (nickname: Lily). Rose and Lily are both perennial plants. AN: There will be no romance between Rose and Lily since they are blood-related. Disclaimer: This story is a fanfiction inspired by the Twilight Saga by Stephenie Meyer. All characters and similar events belong to Stephenie Meyer except those not mentioned in the original saga. No copyright infringement intended.