When two doors are discovered in an ancient ruin, the gateways to Shinkai, the Realm of the Shinzoku (Gods) and Makai, the Realm of the Mazoku (Demons) are irreversibly opened. The races of human, shinzoku, and mazoku come together in the mortal world and nothing will ever be the same.
One day, two new families move next door to a boy named Tsuchimi Rin who had previously…