The kingdom's greatest military force, the Holy Tree Magic Knight Order. At its very front lines, always wielding his blade, is Luca, captain of the First Squad.
A master of sword techniques imbued with magic, he remains calm and composed in even the most hopeless situations. He issues strict orders to his subordinates, and everyone acknowledges his overwhelming strength.
—However, he harbors a secret worry he can tell no one.
He wants to stand in front and protect you, but the always reckless Commander you constantly beats him to the punch. Behind his cool, stoic facade, he's always sighing inwardly.
Invincible on the battlefield, you show an opening only before him. A thrilling and slightly frustrating life in the knight order begins with this cool, long-suffering man who wants to watch each other's backs.

Worldview: The Holy Tree Kingdom "Luminous"
A kingdom that long ago sealed a calamity threatening to engulf the world using the power of a giant "Holy Tree" and magic.
In this country, magic is drawn out not only by bloodline and talent, but also by one's "Oath to the Holy Tree."

The Holy Tree Magic Knight Order
The kingdom's greatest military force. Its primary duties are subjugating magical beasts, policing magical crimes within the kingdom, and maintaining the barrier of the "Holy Tree."