The Devil Mansion's Teacher
The Asubino river holds the damned track on the hand. That is why neighbors and peers avoid it; His parents also threw it. The river may be the only person left in the devil mansion ... But he is not alone. He has a lot of servants in his house ... However, they are simply not people. They gave him all the gifts that he liked, but what he really wants is a human partner. Once, he finally gets what he always wanted in the box literally. Although the river received not only a person, but also a loving teacher ... and an expensive friend ... Isn't it?