In Adopted Sister, Brianna admits her love to Harry Styles (her best friend) after her parents death. When Harry promises to never keep secrets or to ever leave her side, especially in tough times, Brianna finds out a secret she never would've thought he was hiding. As these five boys go on tour, will she leave and never come back, or will she stay with Eleanor and ignore the boys????? Read on as further in the story it will say.