Two hundred years ago, on the Battlefield of the Blue River, the last remaining army of the Empire of Light collapsed in the midst of demonic outcries. As the last Field Marshal and Emperor fell, the chaotic world of the Western River no longer had a common ruler. Factions were formed and endless conflicts ensued, military might became the only currency of survival, and the dream to reunite the lands became the sole goal of many rulers in the generations that came after. In the south-eastern part of the land, a powerful faction with over two hundred years of history – House Zichuan – fought off the Demons to the east, defended against the House Liufeng to the west, and contained the House Lin to the south. In order to accomplish their great ambitions and extend the bloodline of their family, countless heroes of Zichuan gave their lives in order to make this magnificent hymn come to life. This is a story about this legendary family and a hundred years of their blood and tears.

During the Wu Zhou period, Wu Zetian's imperial examination system severely hindered the interests of the traditional aristocrats. They were prepared to prevent Wu Zetian from ascending the throne. The protagonist Pei Kun came to the divine city Luoyang and was involved in the conspiracy of Chun Qiudao. Through a series of accidents, he tears apart this huge conspiracy.

Bundled with the limited edition 15th volume of the manga. Chapters adapted 1. Volume 10, Chapter 41: Shirayuki to Zen, Hajimete no Joukamachi Date (白雪とゼン、はじめての城下町デート) 2. Volume 7, Special Chapter: Raji Ouji Youshou no Migiri (ラジ王子幼少のみぎり) 3. Volume 11, Special Chapter: Hajimari no Zen & Mitsuhide & Kiki (始まりのゼン＆ミツヒデ＆木々)

Xiao-Bai, a white snake demon, is sent on a mission to assassinate the Emperor's Taoist advisor, who has been killing snakes en masse in order to achieve immortality and curry the Emperor's favor. Xiao-Bai, however, is attacked by the advisor's lackeys before she can reach him and is subsequently defeated. Luckily, the demonic hairpin she was granted by the Snake Mother is able to save her life at the cost of her memories. Xiao-Bai awakens in the Snake-catcher village, unaware that she is actually a demon or that she is surrounded by her sworn enemies. She meets Xu Xuan, the man who saved her, and is charmed by him. The two set out on a journey to discover who Xiao-Bai is, and learn the secret of her demonic hairpin. The pair is pursued by Xiao-Qing, Xiao-Bai's sister, who has sworn to the Snake Mother to retrieve Xiao-Bai within three days or die trying. As Taoists, demons, and humans collide, a tale of forbidden romance unfolds.