11 year old Sophia was looking through her mom's office when she came across her birth certificate. She couldn't believe what it had said. Before her mom came back she hid it in her sweater so, she can confront her parents. Sophia's parents tried to get a hold of her biological parents and siblings, but nothing worked. Sophia's parents then got an idea to have her brother's band who are also Sophia's favorite band, One Direction to perform at her 12th birthday party and talk to her older brother Niall. Will Niall believe them. Find out in Niall Horan's Sister This is my first book, story, fan fiction, whatever u want to call it. Please comment if u enjoy it (: