The SEVEN Hidden Kingdoms.

For centuries, the world has believed that the ancient kingdom of Noctis was destroyed-and that its royal bloodline vanished with it.
They were wrong.
Hidden from modern Earth by an ancient treaty, seven magical kingdoms have existed alongside humanity for generations. To preserve peace, the heirs of these kingdoms are sent to the Academy of the Seven, a school built to ensure that the next generation can maintain the treaty their ancestors fought so hard to establish.
But the treaty is beginning to crumble.
Kael Ardent has no idea what any of this has to do with him.
Raised in modern-day Los Angeles, Kael has no magic, no royal upbringing, and no knowledge of the hidden world. He survives through his knowledge of the modern world, his martial-arts training, and the lessons he learned growing up in a dangerous neighborhood.
Then he's unexpectedly invited to the Academy of the Seven.
Surrounded by magical heirs, ancient rivalries, and kingdoms that have spent centuries distrusting one another, Kael quickly finds himself caught between Lucien, the proud heir of the Kingdom of Light, Ragna, the fierce heir of the Flame Kingdom, and Elena, the kind-hearted heir of Tides who becomes his first true friend.
But Kael's greatest advantage isn't magic.
It's everything the magical world doesn't understand.
Modern technology. Science. Unconventional thinking.
And a refusal to believe that a fight has to be fair.