Ring Wandering [リング・ワンダリング]

In central Tokyo, a young man, Sosuke, aspires to be a manga artist. His current work is about a battle between a hunter and a Japanese wolf. He can’t draw the extinct wolf well and struggles to develop the story. One winter’s day, Sosuke finds an animal’s skull while digging foundations at a construction site and takes it home. Is it a Japanese wolf’s skull?