While wandering around wondering about D, Nameless finds a route back to the upper-stratum. In the present, Shun meets with the royal family to discuss his new role and it is decided he must quit the academy to take over as the Hero immediately. Elsewhere, at the remains of the battlefield between the humans and demons, the magician Ronandt, Julius’ former magic tutor, is angered over the loss of life and ends up recounting how, 15 years ago, he and a team of soldiers entered a labyrinth to investigate a monster outbreak...