Bashful female receives a pendant that communicates with her telepathically
Holding pendant and making a wish and it will be so
Unlimited wishes but they are LIMITED to her physically and mentally
So can only change herself not other people
Master PC: New Queen Bee
A bullied goth/nerd girl gets the MPC and uses it to become the undisputed queen bitch of school, doing whatever she wants to whoever she wants with none able to stand against her.