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 begins investigating the letter to find out his Father's past. As he further investigates, he is targeted by "Mad Angels", the gang that runs Yokosuka Harbor's underground business.
Even native Chinese people can't read it...
...حتى الصينيون لا يستطيعون قراءتها
Das können selbst Leute aus China nicht lesen?
Ni los mismos chinos pueden leerlo…
Ni los mismos chinos pueden leerlo…
Même les Chinois
arrivent pas à la lire.
Nemmeno i madrelingua cinesi sanno leggerlo...
Nem mesmo um nativo da 
China foi capaz de ler...
Даже китайцы его прочесть не могут?