Maruka Suzuki and her "Groan-Up" boyfriend, Mochizuki, are swept into a world of dangerous secrets--the world of the Academy Game. In this deadly game hosted by an elusive mastermind, student-and-monster tag teams from various schools compete by hunting Groan-Ups. The unlikely couple must fight their way through scheming villains, shady assassins, and righteous warriors, facing danger at every turn. All the while, an ominous plot unfolds around them, threatening to tear them apart...Will Maruka and her love survive?