Legacies are the children of Immortals, humans with immense speed and power, humans that can potentially live forever.

In a world full of demons and angels, Martial is a pretty carefree Legacy. That is, until a new threat arrives, a threat that could change the balance of power in favour of the demons.

There is only one way for Martial to face this new threat. Pull his socks up, take on a bunch of beautiful Legacies to train as apprentices, and march into battle against this new foe.