With warfare never ending, a person can be an angel or a demon. All it takes is a change of heart under 2Masters that grant you powers to heal the world, or to destroy it.
READ RIGHT TO LEFT - Asian way
I was reticent at first because this is not the kind of story that usually catches my attention, but your characters are likable, your artwork is nice and your visual narrative is great. I also like the slow pace in the development, it gives more volume to the characters without making us lose interest in the story.