Everything I Once Knew (a Niall Horan Fan Fiction)

You have a best friend, right? That one person you tell everything to. They help you through your problems, You two are inseparable, right? Not for long. It's the start of high school for both Brooke and Niall and they've been friends since forever. They spend so much time together, some people even think they're dating. But it's high school; people change. Niall changes from a straight A cute nerd to some fake jock that only cares about girls. Brooke changes as well but no one is there to help her anymore. She becomes just another weird girl that Niall glances at in the hallways. Is Niall gone for good? Will Brooke disappear as well? Will Niall just be everything Brooke once knew?