Black/Matrix Zero

This installment of the Black/Matrix series is set in the same universe, a world which is populated by angels with white bird-like wings, demons with black bat-like wings, and wingless humans. For many years, the war between angels and demons has been going on. You control an ordinary boy named Cain. You live on a secluded island as a servant of a woman named Matia, far away and seemingly safe from the battle areas. But as both demons and angels seem to be interested in Matia and she gets kidnap...