The Nagano Family.
A first-rate demon family, renowned and feared for generations. They weren't just famous for brute strength or physical dominance. Actually, what made them terrifying was their mastery over mana itself. They had honed their knowledge of how to flow mana across their bodies so perfectly that their strength multiplied to unnatural levels. It wasn't about being born with monstrous bodies. It was about understanding and refining their power until it surpassed what others even thought possible.
They were so frighteningly proficient at it that fighting them was like standing against a wall that could never fall. This expertise was why, throughout their bloodline, two of their family heads had risen to the prestigious and dreaded rank of demon lord.
Now, the current head—a son of one of those former lords—was the one holding the reins of the Nagano Family.