Known as the 'Strongest Mage in the Demon King's Army,' Ike is a demon capable of conquering a fortress alone. His overwhelming magic makes him a fearsome presence, revered and feared by both allies and enemies alike. However, he has a secret that sets him apart from other demons: he is actually a human. To keep this secret, he uses his 'modern knowledge' to excel, eventually earning the reputation of a 'great general.' Today, he continues to be the driving force behind the Demon King's army's rapid advance. * Book versions 1-5 are now available for purchase from Monster Bunko. The manga adaptation is also very popular, with the series selling over 600,000 copies.