Hazuki Family's maid Ine hands a letter to Ryo, who is restless from his Father's death. The letter was sent from a person named "Yuanda Zhu" to his father which contained characters he cannot read.

Ryo is forced to fight Guizhang Chen from Chen Family, to save Nozomi who Mad Angels have taken as a hostage. In hopes that Goro finds Ryo's secret message, he fights Guizhand Chen, ending with Ryo and Guizhang both wounded and defeated.

Ryo is living at Xiuying Hong's house. Xiuying ignores Ryo's wish to meet Yuanda Zhu and keeps making him do chores for Man Mo Temple. To understand Xiuying's notion, Ryo must learn wude the principles of martial arts.

Ryo finds a book written by Yuanda Zhu in Xiuying's library. In the book he finds a memo of chawan sign, which could lead to danger with one mistake. Despite the danger Ryo uses it to find Yuanda Zhu.

To find Yuanda Zhu, Ryo follows Ren, the leader of Heavens. Gathering information from Ren's acquaintances they reach the location where Yuanda Zhu is said to be, but they soon find out that this was Yellow Heads' trap.