Strongest Magician in the Demon Lord's Army was a Human

Ike is known as "the strongest magician in the demon king's army" and has single-handedly conquered fortresses. The way he mowed down enemies with his immense magic is truly a "monster" that makes him feared by both allies and foes alike. However, he had a secret that he could not tell other demons: " I'm actually human." He aims for coexistence between demons and humans while the leader of the demon's army hides that he is actually a human.

Super sadly this is the only one of its kind