Keishuu, China. History books state that during the Three Kingdoms era, this land was a site of endless warfare. Sonshin, a high school student who despises his city's history, is disturbed by a recurring dream. Upon waking, bizarre events occur in succession. Before he can comprehend the situation, he is confronted by Gien, a general from the Romance of the Three Kingdoms, who attempts to kill him. Just as Gien's blade is about to strike, a mysterious, beautiful woman appears before Sonshin. What trials lie ahead for Sonshin as he witnesses this horrific clash between two Three Kingdoms generals?