The Cultural Research Club has entered the Isolation Zone, where «The Third»'s group has inflicted dozens of phenomena on more than a hundred innocent Yamaboshi students. Now the CRC is tasked with helping all of them cross the finish line—but can they really manage ALL these people on their own? As tensions rise, the threat of an emergency shutdown looms just overhead... Experience the thrilling conclusion to the final arc of the hit ensemble dramedy light novel from award-winning author Sadanatsu Anda!