Grimgar of Fantasy and Ash Novel Volume 15 features story by Ao Jyumonji and art by Eiri Shirai.

Haruhiro and his companions wake in darkness yet again, with no memories but their names. This time, they step into a world where Alterna has been destroyed! Piecing together the skills their bodies remember and the memories that Merry retained, they race to Grimgar’s frontier in search of aid–only to find the forces of Arabakia preparing to take Alterna back. The adventure born from the ashes enters its endgame!