Overlord manga volume 12 features story by Kugane Maruyama and Satoshi Oshio plus art by Hugin Miyama and So-Bin.

At last, Demiurge's schemes in the Kingdom begin to bear fruit. With the appearance of a powerful fighter that skillfully controls insects and the enigmatic Jaldaboath, the beleaguered humans must rely on none other than the Blue Roses!