The Battle of the Classes draws near, and students must compete inside the dungeon for a weeklong exam to prove their superiority. Rising above their past defeats at the hands of the elitist bullies of the upper classes, the brave Class E students devise a cunning game plan to maximize their odds.

Luckily, they have a secret trump card-Piggy, the overweight and overpowered former villain. His orders are 'Tag along with the upper classes, and try not to embarrass us!'

This is perfect for Piggy, not being a fan of the limelight! He can use this opportunity to get to meet the diva of class A, his game-era crush, as well as share diet tips with a newfound armored friend-but a spy in his class is determined to unearth his secrets. That's the least of his problems, as the mastermind of Class B threatens the students of every class.

Little does Piggy know that his greatest battle awaits him!