Sworn Enemies (Niall Horan Fan Fiction)

Niall and Samantha were best friends when they were kids. They were inseparable really. But when they get to High School that's when things start to change. Niall had found new friends and became popular. He had completely forgot about the friendship he had with Samantha and started bullying her to get more popularity from others.But will an accident change his ways or will he be the same douchebag that he has become?