In the thirty-seventh year of the Qin Dynasty, Ying Ziyu wiped the simple scabbard of the sword on his desk amidst the sound of the bronze crane in Xianyang Palace. A secret report from the Six Kingdoms floated out of the window, but little did they know that the seemingly idle brother of the King of Qin had the Xuanyuan Sword hanging on his waist that killed Chi You. When the Mo family's snow girl steps on the mechanism Suzaku and arrives in Xianyang, when the Yin-Yang family's star path ripples on the Wei River, this sword-wielder will finally uncover the secrets of Kyushu buried under the territory of the Qin Dynasty - it turns out that from the debate in Jixia Academy to the Mechanism beast tide outside Hangu Pass, they are all the aftermath of the ancient divine war. And the sword mark on his palm echoes the Jiuding emblem on the crown of the First Emperor...