It is revealed that humans are not alone and that there are unseen realms running parallel to our own : the realms of the Demons ( Makai ) and the Man - Beasts ( Jyujinkai ) .
Planet Earth is not all it seems .
Planet Earth is revealed that humans are not alone and that there are unseen realms running parallel to our own : the realms of the Demons ( Makai ) and the Man - Beasts ( Jyujinkai ) .
Planet Earth is not all it seems .