Huai Shi is a boy from Huaihai Road who is also known by a long string of imposing epithets. He is called a doom-bringing sword and a keeper of the old world's tombs, as well as a master tuner and heaven's last defender. Other names cast him as one of twenty-four elements of destruction, a sun shining within the abyss and the supreme lord of hell. The ONA is an action and adventure story with supernatural elements.