Rory tells herself it's a trick of the light. That she can't actually see the spirits of living beings as they die. Until one night, when a starving demon comes across her path, and the mysterious blue and yellow lights are suddenly given a name. Asa can't understand how a human can see mana, let alone possess it and use it, but wants to help Rory find a way to control her abilities and find out more about her. But he's not the only one who's intrigued...