Saihate no Paladin

In a ruined city, far from human civilization, lives the only human child: Will. He was raised by three undead: Blood, the heroic skeleton warrior, Mary, the mummy priestess, and Gus, the grumpy ghost wizard. All three teach their knowledge to the young boy and offer him all their affection. One day, Will begins to wonder what he is. He discovers that each of the undead accompanying him has a secret. Nevertheless, he embarks on a journey with them and becomes a paladin…