X-Men: Pixie Strikes Back
Written by Kathryn Immonen and illustrated by Sara Pichelli.
Pixie, X-23, Armor, Mercury and Blindfold go to high school and learn the joy of cafeteria food, communal bathrooms and peer pressure. But something's not quite right with all of it, and it has to do with Pixie. It is soon revealed that Pixie's father is one of the most dangerous X-Villains ever!
Collects X-Men: Pixie Strikes Back #1-4