The Enki's flames lick the Oni hideout's walls, leaving a charred puppet and wounded Momotarou captain in their infernal wake. Fueled by Shiki's Kishin bloodline, his awakened elemental powers make him the first real threat the Momotarou Agency has faced in generations. A tectonic shift has rocked the enduring supremacy of the Momotarou, and these kids haven't even graduated yet. For their next lesson, the class makes their way to Tokyo for a firsthand look at how the shadowy Oni recon unit operates. However, a group of young, hotheaded Oni is anything but clandestine. So despite the disguises, fake names, and skulking around, it's only a matter of time until the Momotarou catch wind--if they haven't already...