Dealing with Ashton's little sister!

Steph Irwin is Ashton Irwin's little sister. Yes, Ashton Irwin of 5 Seconds Of Summer. Ashton and Steph have a really close relationship and tell each other everything even with the boys of 5 Seconds Of Summer. Steph gets bullied at school by her whole year level except her best friend because of who her brother is. Thats one thing she doesn't tell Ashton. But what happens when it all gets too much for her and when her bully ends up next door? What happens when the boys start being mates with her bully's brother? Will they believe their sister over their new best friend?