Bullies to Lover? (1D/Harry fanfic)

Katy has been bullied by Niall, Liam, Louis, Zayn, and worst of all Harry for five years. She used to be a confident, proud girl but that has changed since 4th grade. Now they are all in 9th grade and her best friends Chloe and Rileigh are in 6 of her classes... and the ones without them are the ones with them. She didn't show up for a week and when she came back they were suddenly nice to her, Especially Harry. Are they just pranking her or are they actually upset that she left? Will they actually stop bulling her? And does Harry actually like her?