You move to a small village named Ponyville with your mom.

You've already made a fool of yourself on the first day at your new school, can it get any worse?
The answer is yes. Yes it can. You accidentally sat yourself next to the school diva, Diamond Tiara (who is till working on her reformation, it's been getting especially hard ever since she's been going through puberty), who is already ticked off since your appearance.
She's been avoiding you like a rat (nothing against rats), always storming off when you're in a 8-foot range of her.
What is going on with her?