Regis, an incapable soldier, who is bad at both sword and archery that
only reads books. He meets a girl at the remote region where he was
transferred to. Red hair crimson eyes princess Altina who wields the
supreme ruler's sword. She was appointed to become the commander of the
army of the remote region despite being fourteen years old, simply for
being the illegitimate child of the Emperor. However, she is holding
onto her big dream without being depressed in the environment she is in.
"I trust you".
Regis who was sought from her as a tactician
stands up to the obstacles together with her. The military fantasy
interweaved by the bibliophagic boy and the princess with the supreme
ruler's sword.