Riselia learns what really happened to her the day she first met Leonis and that makes her worry she can never manifest a Holy Power. That worry is about to be tested.

The students go about their daily lives while Riselia hones her skills as a vampire. However, they are all unaware they are experiencing the calm before the storm.

Leonis may be a demon lord, but he still has his honor. He will put an end to the invasion, but he must first draw a sword that will test his resolve before he can wield it.