Ryo finds a book written by Yuanda Zhu in Xiuying’s library; in the book, he finds a memo of the chawan sign, which could lead to danger with one mistake;…

In Yokosuka, 1986, Ryo Hazuki, the only legitimate heir of the Hazuki Dojo, spends his days training under his strict father Iwao. One day, he returns and witnesses a mysterious…