An unpredictable and mysterious mountain of death, beside the remote and fierce place of countless treasure hunters, there is a beautiful village like a paradise. Here the sky is blue and the water is beautiful, and the village girls are even more charming and sentimental. Throw him into this village on April Fool's Day to become the principal of a primary school. But in this world, some people like to go all the way to the dark, because that is also a state, a state beyond everything! So, how did the legendary undead wolf become The story started like that.