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. However, instead he is attacked by members of the Yellow Heads, who are also looking for Yuanada Zhu.
I don't know what reason your brother had for leaving.
لا أعلم سبب مغادرة أخيك
Ich weiß zwar nicht,
warum er gegangen ist, …
No sé qué lo habrá motivado a marcharse,
No sé qué lo habrá motivado a marcharse,
Je sais pas
pour quelle raison il est parti,
Non so il motivo 
per cui suo fratello se n'è andato,
Não sei por que ele foi embora...
Я не знаю, почему он ушёл.